Merge branch 'master' into dotnet45

Plugins/Wox.Plugin.CMD/CMD.cs

@@ -21,22 +21,17 @@ namespace Wox.Plugin.CMD
         public List<Result> Query(Query query)
         {
             List<Result> results = new List<Result>();
-            List<Result> pushedResults = new List<Result>();
             string cmd = query.Search;
             if (string.IsNullOrEmpty(cmd))
             {
-                return GetAllHistoryCmds();
+                return ResultsFromlHistory();
             }
             else
             {
                 var queryCmd = GetCurrentCmd(cmd);
-                context.API.PushResults(query, context.CurrentPluginMetadata, new List<Result>() { queryCmd });
+                results.Add(queryCmd);
-                pushedResults.Add(queryCmd);
-
                 var history = GetHistoryCmds(cmd, queryCmd);
-                context.API.PushResults(query, context.CurrentPluginMetadata, history);
+                results.AddRange(history);
-                pushedResults.AddRange(history);
-
 
                 try
                 {
@@ -57,7 +52,11 @@ namespace Wox.Plugin.CMD
 
                     if (basedir != null)
                     {
-                        List<string> autocomplete = Directory.GetFileSystemEntries(basedir).Select(o => dir + Path.GetFileName(o)).Where(o => o.StartsWith(cmd, StringComparison.OrdinalIgnoreCase) && !results.Any(p => o.Equals(p.Title, StringComparison.OrdinalIgnoreCase)) && !pushedResults.Any(p => o.Equals(p.Title, StringComparison.OrdinalIgnoreCase))).ToList();
+                        var autocomplete = Directory.GetFileSystemEntries(basedir).
+                            Select(o => dir + Path.GetFileName(o)).
+                            Where(o => o.StartsWith(cmd, StringComparison.OrdinalIgnoreCase) &&
+                                       !results.Any(p => o.Equals(p.Title, StringComparison.OrdinalIgnoreCase)) &&
+                                       !results.Any(p => o.Equals(p.Title, StringComparison.OrdinalIgnoreCase))).ToList();
                         autocomplete.Sort();
                         results.AddRange(autocomplete.ConvertAll(m => new Result()
                         {
@@ -94,7 +93,7 @@ namespace Wox.Plugin.CMD
                     var ret = new Result
                     {
                         Title = m.Key,
-                        SubTitle =  string.Format(context.API.GetTranslation("wox_plugin_cmd_cmd_has_been_executed_times"), m.Value),
+                        SubTitle = string.Format(context.API.GetTranslation("wox_plugin_cmd_cmd_has_been_executed_times"), m.Value),
                         IcoPath = "Images/cmd.png",
                         Action = (c) =>
                         {
@@ -125,13 +124,13 @@ namespace Wox.Plugin.CMD
             return result;
         }
 
-        private List<Result> GetAllHistoryCmds()
+        private List<Result> ResultsFromlHistory()
         {
             IEnumerable<Result> history = CMDStorage.Instance.CMDHistory.OrderByDescending(o => o.Value)
                 .Select(m => new Result
                 {
                     Title = m.Key,
-                    SubTitle =  string.Format(context.API.GetTranslation("wox_plugin_cmd_cmd_has_been_executed_times"), m.Value),
+                    SubTitle = string.Format(context.API.GetTranslation("wox_plugin_cmd_cmd_has_been_executed_times"), m.Value),
                     IcoPath = "Images/cmd.png",
                     Action = (c) =>
                     {
@@ -177,7 +176,8 @@ namespace Wox.Plugin.CMD
         private void OnWinRPressed()
         {
             context.API.ShowApp();
-            context.API.ChangeQuery(">");
+            // todo don't hardcode action keywords.
+            context.API.ChangeQuery($">{Plugin.Query.TermSeperater}");
         }
 
         public Control CreateSettingPanel()

Plugins/Wox.Plugin.Everything/Everything/EverythingAPI.cs

@@ -227,8 +227,6 @@ namespace Wox.Plugin.Everything.Everything
                 yield break;
             }
 
-            Everything_SortResultsByPath();
-
             const int bufferSize = 4096;
             StringBuilder buffer = new StringBuilder(bufferSize);
             for (int idx = 0; idx < Everything_GetNumResults(); ++idx)

Plugins/Wox.Plugin.Everything/Main.cs

@@ -47,12 +47,6 @@ namespace Wox.Plugin.Everything
                 try
                 {
                     var searchList = api.Search(keyword, maxCount: ContextMenuStorage.Instance.MaxSearchCount).ToList();
-                    var fuzzyMather = FuzzyMatcher.Create(keyword);
-                    searchList.Sort(
-                        (x, y) =>
-                            fuzzyMather.Evaluate(Path.GetFileName(y.FullPath)).Score -
-                            fuzzyMather.Evaluate(Path.GetFileName(x.FullPath)).Score);
-
                     foreach (var s in searchList)
                     {
                         var path = s.FullPath;

Plugins/Wox.Plugin.Program/FileChangeWatcher.cs

@@ -2,7 +2,7 @@
 using System.Diagnostics;
 using System.IO;
 using System.Threading;
-
+using Wox.Infrastructure.Logger;
 namespace Wox.Plugin.Program
 {
     internal class FileChangeWatcher
@@ -15,7 +15,7 @@ namespace Wox.Plugin.Program
             if (watchedPath.Contains(path)) return;
             if (!Directory.Exists(path))
             {
-                Debug.WriteLine(string.Format("FileChangeWatcher: {0} doesn't exist", path));
+                Log.Warn($"FileChangeWatcher: {path} doesn't exist");
                 return;
             }
 

Plugins/Wox.Plugin.Program/ProgramSources/AppPathsProgramSource.cs

@@ -38,7 +38,7 @@ namespace Wox.Plugin.Program.ProgramSources
                         using (var key = root.OpenSubKey(item))
                         {
                             string path = key.GetValue("") as string;
-                            if (path == null) continue;
+                            if (string.IsNullOrEmpty(path)) continue;
 
                             // fix path like this ""\"C:\\folder\\executable.exe\"""
                             const int begin = 0;
@@ -57,7 +57,7 @@ namespace Wox.Plugin.Program.ProgramSources
                     }
                     catch (Exception e)
                     {
-                        Log.Error(e.StackTrace);
+                        Log.Error(e);
                     }
                 }
             }

Plugins/Wox.Plugin.Program/ProgramSources/FileSystemProgramSource.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using Wox.Infrastructure.Exception;
 using Wox.Infrastructure.Logger;
 
 namespace Wox.Plugin.Program.ProgramSources
@@ -70,7 +71,8 @@ namespace Wox.Plugin.Program.ProgramSources
             }
             catch (Exception e)
             {
-                Log.Warn(string.Format("GetAppFromDirectory failed: {0} - {1}", path, e.Message));
+                var woxPluginException = new WoxPluginException("Program", $"GetAppFromDirectory failed: {path}", e);
+                Log.Error(woxPluginException);
             }
         }
 

Plugins/Wox.Plugin.Program/Programs.cs

@@ -8,6 +8,7 @@ using System.Windows;
 using IWshRuntimeLibrary;
 using Wox.Infrastructure;
 using Wox.Plugin.Program.ProgramSources;
+using Wox.Infrastructure.Logger;
 using Stopwatch = Wox.Infrastructure.Stopwatch;
 
 namespace Wox.Plugin.Program
@@ -17,7 +18,7 @@ namespace Wox.Plugin.Program
         private static object lockObject = new object();
         private static List<Program> programs = new List<Program>();
         private static List<IProgramSource> sources = new List<IProgramSource>();
-        private static Dictionary<string, Type> SourceTypes = new Dictionary<string, Type>() { 
+        private static Dictionary<string, Type> SourceTypes = new Dictionary<string, Type>() {
             {"FileSystemProgramSource", typeof(FileSystemProgramSource)},
             {"CommonStartMenuProgramSource", typeof(CommonStartMenuProgramSource)},
             {"UserStartMenuProgramSource", typeof(UserStartMenuProgramSource)},
@@ -27,26 +28,26 @@ namespace Wox.Plugin.Program
 
         public List<Result> Query(Query query)
         {
-            
-            var fuzzyMather = FuzzyMatcher.Create(query.Search);
-            List<Program> returnList = programs.Where(o => MatchProgram(o, fuzzyMather)).ToList();
-            returnList.ForEach(ScoreFilter);
-            returnList = returnList.OrderByDescending(o => o.Score).ToList();
 
-            return returnList.Select(c => new Result()
+            var fuzzyMather = FuzzyMatcher.Create(query.Search);
-            {
+            var results = programs.Where(o => MatchProgram(o, fuzzyMather)).
-                Title = c.Title,
+                                   Select(ScoreFilter).
-                SubTitle = c.ExecutePath,
+                                   OrderByDescending(o => o.Score)
-                IcoPath = c.IcoPath,
+                                   .Select(c => new Result()
-                Score = c.Score,
+                                   {
-                ContextData = c,
+                                       Title = c.Title,
-                Action = (e) =>
+                                       SubTitle = c.ExecutePath,
-                {
+                                       IcoPath = c.IcoPath,
-                    context.API.HideApp();
+                                       Score = c.Score,
-                    context.API.ShellRun(c.ExecutePath);
+                                       ContextData = c,
-                    return true;
+                                       Action = (e) =>
-                }
+                                       {
-            }).ToList();
+                                           context.API.HideApp();
+                                           context.API.ShellRun(c.ExecutePath);
+                                           return true;
+                                       }
+                                   }).ToList();
+            return results;
         }
 
         static string ResolveShortcut(string filePath)
@@ -59,12 +60,10 @@ namespace Wox.Plugin.Program
 
         private bool MatchProgram(Program program, FuzzyMatcher matcher)
         {
-            if ((program.Score = matcher.Evaluate(program.Title).Score) > 0) return true;
+            var scores = new List<string> { program.Title, program.PinyinTitle, program.AbbrTitle, program.ExecuteName };
-            if ((program.Score = matcher.Evaluate(program.PinyinTitle).Score) > 0) return true;
+            program.Score = scores.Select(s => matcher.Evaluate(s ?? string.Empty).Score).Max();
-            if (program.AbbrTitle != null && (program.Score = matcher.Evaluate(program.AbbrTitle).Score) > 0) return true;
+            if (program.Score > 0) return true;
-            if (program.ExecuteName != null && (program.Score = matcher.Evaluate(program.ExecuteName).Score) > 0) return true;
+            else return false;
-
-            return false;
         }
 
         public void Init(PluginInitContext context)
@@ -75,7 +74,7 @@ namespace Wox.Plugin.Program
             {
                 programs = ProgramCacheStorage.Instance.Programs;
             });
-            Debug.WriteLine($"Preload {programs.Count} programs from cache");
+            Log.Info($"Preload {programs.Count} programs from cache");
             Stopwatch.Debug("Program Index", IndexPrograms);
         }
 
@@ -98,7 +97,7 @@ namespace Wox.Plugin.Program
                 }
 
                 sources.Clear();
-                foreach(var source in programSources.Where(o => o.Enabled))
+                foreach (var source in programSources.Where(o => o.Enabled))
                 {
                     Type sourceClass;
                     if (SourceTypes.TryGetValue(source.Type, out sourceClass))
@@ -160,7 +159,7 @@ namespace Wox.Plugin.Program
             return list;
         }
 
-        private void ScoreFilter(Program p)
+        private Program ScoreFilter(Program p)
         {
             p.Score += p.Source.BonusPoints;
 
@@ -172,6 +171,7 @@ namespace Wox.Plugin.Program
 
             if (p.Title.Contains("卸载") || p.Title.ToLower().Contains("uninstall"))
                 p.Score -= 20;
+            return p;
         }
 
         #region ISettingProvider Members

Plugins/Wox.Plugin.Sys/Sys.cs

@@ -39,8 +39,11 @@ namespace Wox.Plugin.Sys
             List<Result> results = new List<Result>();
             foreach (Result availableResult in availableResults)
             {
-                if (StringMatcher.IsMatch(availableResult.Title, query.Search) || StringMatcher.IsMatch(availableResult.SubTitle, query.Search))
+                int titleScore = StringMatcher.Match(availableResult.Title, query.Search);
+                int subTitleScore = StringMatcher.Match(availableResult.SubTitle, query.Search);
+                if (titleScore > 0 || subTitleScore > 0)
                 {
+                    availableResult.Score = titleScore > 0 ? titleScore : subTitleScore;
                     results.Add(availableResult);
                 }
             }
@@ -55,92 +58,85 @@ namespace Wox.Plugin.Sys
 
         private void LoadCommands()
         {
-            availableResults.AddRange(new Result[] { 
+            availableResults.AddRange(new Result[] {
-				new Result
+                new Result
-				{
+                {
-					Title = "Shutdown",
+                    Title = "Shutdown",
-					SubTitle = context.API.GetTranslation("wox_plugin_sys_shutdown_computer"),
+                    SubTitle = context.API.GetTranslation("wox_plugin_sys_shutdown_computer"),
-					Score = 100,
+                    IcoPath = "Images\\exit.png",
-					IcoPath = "Images\\exit.png",
+                    Action = (c) =>
-					Action = (c) =>
+                    {
-					{
+                        if (MessageBox.Show("Are you sure you want to shut the computer down?","Shutdown Computer?",MessageBoxButtons.YesNo,MessageBoxIcon.Warning) == DialogResult.Yes) {
-						if (MessageBox.Show("Are you sure you want to shut the computer down?","Shutdown Computer?",MessageBoxButtons.YesNo,MessageBoxIcon.Warning) == DialogResult.Yes) {
+                            Process.Start("shutdown", "/s /t 0");
-							Process.Start("shutdown", "/s /t 0");
+                        }
-						}
+                        return true;
-					    return true;
+                    }
-					}
+                },
-				},
+                new Result
-				new Result
+                {
-				{
+                    Title = "Log off",
-				    Title = "Log off",
                     SubTitle = context.API.GetTranslation("wox_plugin_sys_log_off"),
-				    Score = 100,
+                    IcoPath = "Images\\logoff.png",
-				    IcoPath = "Images\\logoff.png",
+                    Action = (c) => ExitWindowsEx(EWX_LOGOFF, 0)
-				    Action = (c) => ExitWindowsEx(EWX_LOGOFF, 0)
+                },
-				},
+                new Result
-				new Result
+                {
-				{
+                    Title = "Lock",
-				    Title = "Lock",
                     SubTitle = context.API.GetTranslation("wox_plugin_sys_lock"),
-				    Score = 100,
+                    IcoPath = "Images\\lock.png",
-				    IcoPath = "Images\\lock.png",
+                    Action = (c) =>
-				    Action = (c) =>
+                    {
-				    {
+                        LockWorkStation();
-				        LockWorkStation();
+                        return true;
-				        return true;
+                    }
-				    }
+                },
-				},
                 new Result
                 {
                     Title = "Sleep",
                     SubTitle = context.API.GetTranslation("wox_plugin_sys_sleep"),
-                    Score = 100,
                     IcoPath = "Images\\sleep.png",
                     Action = (c) => Application.SetSuspendState(PowerState.Suspend, false, false)
                 },
                 new Result
-				{
+                {
-				    Title = "Exit",
+                    Title = "Exit",
                     SubTitle = context.API.GetTranslation("wox_plugin_sys_exit"),
-				    Score = 110,
+                    IcoPath = "Images\\app.png",
-				    IcoPath = "Images\\app.png",
+                    Action = (c) =>
-				    Action = (c) =>
+                    {
-				    {
+                        context.API.CloseApp();
-				        context.API.CloseApp();
+                        return true;
-				        return true;
+                    }
-				    }
+                },
-				},
+                new Result
-				new Result
+                {
-				{
+                    Title = "Restart Wox",
-				    Title = "Restart Wox",
                     SubTitle = context.API.GetTranslation("wox_plugin_sys_restart"),
-				    Score = 110,
+                    IcoPath = "Images\\restart.png",
-				    IcoPath = "Images\\restart.png",
+                    Action = (c) =>
-				    Action = (c) =>
+                    {
-				    {
+                        ProcessStartInfo Info = new ProcessStartInfo();
-				        ProcessStartInfo Info = new ProcessStartInfo();
+                        Info.Arguments = "/C ping 127.0.0.1 -n 1 && \"" + Application.ExecutablePath + "\"";
-				        Info.Arguments = "/C ping 127.0.0.1 -n 1 && \"" + Application.ExecutablePath + "\"";
+                        Info.WindowStyle = ProcessWindowStyle.Hidden;
-				        Info.WindowStyle = ProcessWindowStyle.Hidden;
+                        Info.CreateNoWindow = true;
-				        Info.CreateNoWindow = true;
+                        Info.FileName = "cmd.exe";
-				        Info.FileName = "cmd.exe";
+                        Process.Start(Info);
-				        Process.Start(Info);
+                        context.API.CloseApp();
-				        context.API.CloseApp();
+                        return true;
-				        return true;
+                    }
-				    }
+                },
-				},
+                new Result
-				new Result
+                {
-				{
+                    Title = "Settings",
-				    Title = "Settings",
                     SubTitle = context.API.GetTranslation("wox_plugin_sys_setting"),
-				    Score = 100,
+                    IcoPath = "Images\\app.png",
-				    IcoPath = "Images\\app.png",
+                    Action = (c) =>
-				    Action = (c) =>
+                    {
-				    {
+                        context.API.OpenSettingDialog();
-				        context.API.OpenSettingDialog();
+                        return true;
-				        return true;
+                    }
-				    }
+                }
-				}
+            });
-			});
         }
 
         public string GetLanguagesFolder()

Plugins/Wox.Plugin.WebSearch/EasyTimer.cs

@@ -1,40 +0,0 @@
-using System;
-
-namespace Wox.Plugin.WebSearch
-{
-    public static class EasyTimer
-    {
-        public static IDisposable SetInterval(Action method, int delayInMilliseconds)
-        {
-            System.Timers.Timer timer = new System.Timers.Timer(delayInMilliseconds);
-            timer.Elapsed += (source, e) =>
-            {
-                method();
-            };
-
-            timer.Enabled = true;
-            timer.Start();
-
-            // Returns a stop handle which can be used for stopping
-            // the timer, if required
-            return timer as IDisposable;
-        }
-
-        public static IDisposable SetTimeout(Action method, int delayInMilliseconds)
-        {
-            System.Timers.Timer timer = new System.Timers.Timer(delayInMilliseconds);
-            timer.Elapsed += (source, e) =>
-            {
-                method();
-            };
-
-            timer.AutoReset = false;
-            timer.Enabled = true;
-            timer.Start();
-
-            // Returns a stop handle which can be used for stopping
-            // the timer, if required
-            return timer as IDisposable;
-        }
-    }
-}

Plugins/Wox.Plugin.WebSearch/Properties/Annotations.cs

@@ -0,0 +1,996 @@
+using System;
+
+#pragma warning disable 1591
+// ReSharper disable UnusedMember.Global
+// ReSharper disable MemberCanBePrivate.Global
+// ReSharper disable UnusedAutoPropertyAccessor.Global
+// ReSharper disable IntroduceOptionalParameters.Global
+// ReSharper disable MemberCanBeProtected.Global
+// ReSharper disable InconsistentNaming
+
+namespace Wox.Plugin.WebSearch.Annotations
+{
+  /// <summary>
+  /// Indicates that the value of the marked element could be <c>null</c> sometimes,
+  /// so the check for <c>null</c> is necessary before its usage.
+  /// </summary>
+  /// <example><code>
+  /// [CanBeNull] object Test() => null;
+  /// 
+  /// void UseTest() {
+  ///   var p = Test();
+  ///   var s = p.ToString(); // Warning: Possible 'System.NullReferenceException'
+  /// }
+  /// </code></example>
+  [AttributeUsage(
+    AttributeTargets.Method | AttributeTargets.Parameter | AttributeTargets.Property |
+    AttributeTargets.Delegate | AttributeTargets.Field | AttributeTargets.Event)]
+  public sealed class CanBeNullAttribute : Attribute { }
+
+  /// <summary>
+  /// Indicates that the value of the marked element could never be <c>null</c>.
+  /// </summary>
+  /// <example><code>
+  /// [NotNull] object Foo() {
+  ///   return null; // Warning: Possible 'null' assignment
+  /// }
+  /// </code></example>
+  [AttributeUsage(
+    AttributeTargets.Method | AttributeTargets.Parameter | AttributeTargets.Property |
+    AttributeTargets.Delegate | AttributeTargets.Field | AttributeTargets.Event)]
+  public sealed class NotNullAttribute : Attribute { }
+
+  /// <summary>
+  /// Can be appplied to symbols of types derived from IEnumerable as well as to symbols of Task
+  /// and Lazy classes to indicate that the value of a collection item, of the Task.Result property
+  /// or of the Lazy.Value property can never be null.
+  /// </summary>
+  [AttributeUsage(
+    AttributeTargets.Method | AttributeTargets.Parameter | AttributeTargets.Property |
+    AttributeTargets.Delegate | AttributeTargets.Field)]
+  public sealed class ItemNotNullAttribute : Attribute { }
+
+  /// <summary>
+  /// Can be appplied to symbols of types derived from IEnumerable as well as to symbols of Task
+  /// and Lazy classes to indicate that the value of a collection item, of the Task.Result property
+  /// or of the Lazy.Value property can be null.
+  /// </summary>
+  [AttributeUsage(
+    AttributeTargets.Method | AttributeTargets.Parameter | AttributeTargets.Property |
+    AttributeTargets.Delegate | AttributeTargets.Field)]
+  public sealed class ItemCanBeNullAttribute : Attribute { }
+
+  /// <summary>
+  /// Indicates that the marked method builds string by format pattern and (optional) arguments.
+  /// Parameter, which contains format string, should be given in constructor. The format string
+  /// should be in <see cref="string.Format(IFormatProvider,string,object[])"/>-like form.
+  /// </summary>
+  /// <example><code>
+  /// [StringFormatMethod("message")]
+  /// void ShowError(string message, params object[] args) { /* do something */ }
+  /// 
+  /// void Foo() {
+  ///   ShowError("Failed: {0}"); // Warning: Non-existing argument in format string
+  /// }
+  /// </code></example>
+  [AttributeUsage(
+    AttributeTargets.Constructor | AttributeTargets.Method |
+    AttributeTargets.Property | AttributeTargets.Delegate)]
+  public sealed class StringFormatMethodAttribute : Attribute
+  {
+    /// <param name="formatParameterName">
+    /// Specifies which parameter of an annotated method should be treated as format-string
+    /// </param>
+    public StringFormatMethodAttribute(string formatParameterName)
+    {
+      FormatParameterName = formatParameterName;
+    }
+
+    public string FormatParameterName { get; private set; }
+  }
+
+  /// <summary>
+  /// For a parameter that is expected to be one of the limited set of values.
+  /// Specify fields of which type should be used as values for this parameter.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Property | AttributeTargets.Field)]
+  public sealed class ValueProviderAttribute : Attribute
+  {
+    public ValueProviderAttribute(string name)
+    {
+      Name = name;
+    }
+
+    [NotNull] public string Name { get; private set; }
+  }
+
+  /// <summary>
+  /// Indicates that the function argument should be string literal and match one
+  /// of the parameters of the caller function. For example, ReSharper annotates
+  /// the parameter of <see cref="System.ArgumentNullException"/>.
+  /// </summary>
+  /// <example><code>
+  /// void Foo(string param) {
+  ///   if (param == null)
+  ///     throw new ArgumentNullException("par"); // Warning: Cannot resolve symbol
+  /// }
+  /// </code></example>
+  [AttributeUsage(AttributeTargets.Parameter)]
+  public sealed class InvokerParameterNameAttribute : Attribute { }
+
+  /// <summary>
+  /// Indicates that the method is contained in a type that implements
+  /// <c>System.ComponentModel.INotifyPropertyChanged</c> interface and this method
+  /// is used to notify that some property value changed.
+  /// </summary>
+  /// <remarks>
+  /// The method should be non-static and conform to one of the supported signatures:
+  /// <list>
+  /// <item><c>NotifyChanged(string)</c></item>
+  /// <item><c>NotifyChanged(params string[])</c></item>
+  /// <item><c>NotifyChanged{T}(Expression{Func{T}})</c></item>
+  /// <item><c>NotifyChanged{T,U}(Expression{Func{T,U}})</c></item>
+  /// <item><c>SetProperty{T}(ref T, T, string)</c></item>
+  /// </list>
+  /// </remarks>
+  /// <example><code>
+  /// public class Foo : INotifyPropertyChanged {
+  ///   public event PropertyChangedEventHandler PropertyChanged;
+  /// 
+  ///   [NotifyPropertyChangedInvocator]
+  ///   protected virtual void NotifyChanged(string propertyName) { ... }
+  ///
+  ///   string _name;
+  /// 
+  ///   public string Name {
+  ///     get { return _name; }
+  ///     set { _name = value; NotifyChanged("LastName"); /* Warning */ }
+  ///   }
+  /// }
+  /// </code>
+  /// Examples of generated notifications:
+  /// <list>
+  /// <item><c>NotifyChanged("Property")</c></item>
+  /// <item><c>NotifyChanged(() =&gt; Property)</c></item>
+  /// <item><c>NotifyChanged((VM x) =&gt; x.Property)</c></item>
+  /// <item><c>SetProperty(ref myField, value, "Property")</c></item>
+  /// </list>
+  /// </example>
+  [AttributeUsage(AttributeTargets.Method)]
+  public sealed class NotifyPropertyChangedInvocatorAttribute : Attribute
+  {
+    public NotifyPropertyChangedInvocatorAttribute() { }
+    public NotifyPropertyChangedInvocatorAttribute(string parameterName)
+    {
+      ParameterName = parameterName;
+    }
+
+    public string ParameterName { get; private set; }
+  }
+
+  /// <summary>
+  /// Describes dependency between method input and output.
+  /// </summary>
+  /// <syntax>
+  /// <p>Function Definition Table syntax:</p>
+  /// <list>
+  /// <item>FDT      ::= FDTRow [;FDTRow]*</item>
+  /// <item>FDTRow   ::= Input =&gt; Output | Output &lt;= Input</item>
+  /// <item>Input    ::= ParameterName: Value [, Input]*</item>
+  /// <item>Output   ::= [ParameterName: Value]* {halt|stop|void|nothing|Value}</item>
+  /// <item>Value    ::= true | false | null | notnull | canbenull</item>
+  /// </list>
+  /// If method has single input parameter, it's name could be omitted.<br/>
+  /// Using <c>halt</c> (or <c>void</c>/<c>nothing</c>, which is the same)
+  /// for method output means that the methos doesn't return normally.<br/>
+  /// <c>canbenull</c> annotation is only applicable for output parameters.<br/>
+  /// You can use multiple <c>[ContractAnnotation]</c> for each FDT row,
+  /// or use single attribute with rows separated by semicolon.<br/>
+  /// </syntax>
+  /// <examples><list>
+  /// <item><code>
+  /// [ContractAnnotation("=> halt")]
+  /// public void TerminationMethod()
+  /// </code></item>
+  /// <item><code>
+  /// [ContractAnnotation("halt &lt;= condition: false")]
+  /// public void Assert(bool condition, string text) // regular assertion method
+  /// </code></item>
+  /// <item><code>
+  /// [ContractAnnotation("s:null => true")]
+  /// public bool IsNullOrEmpty(string s) // string.IsNullOrEmpty()
+  /// </code></item>
+  /// <item><code>
+  /// // A method that returns null if the parameter is null,
+  /// // and not null if the parameter is not null
+  /// [ContractAnnotation("null => null; notnull => notnull")]
+  /// public object Transform(object data) 
+  /// </code></item>
+  /// <item><code>
+  /// [ContractAnnotation("s:null=>false; =>true,result:notnull; =>false, result:null")]
+  /// public bool TryParse(string s, out Person result)
+  /// </code></item>
+  /// </list></examples>
+  [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
+  public sealed class ContractAnnotationAttribute : Attribute
+  {
+    public ContractAnnotationAttribute([NotNull] string contract)
+      : this(contract, false) { }
+
+    public ContractAnnotationAttribute([NotNull] string contract, bool forceFullStates)
+    {
+      Contract = contract;
+      ForceFullStates = forceFullStates;
+    }
+
+    public string Contract { get; private set; }
+    public bool ForceFullStates { get; private set; }
+  }
+
+  /// <summary>
+  /// Indicates that marked element should be localized or not.
+  /// </summary>
+  /// <example><code>
+  /// [LocalizationRequiredAttribute(true)]
+  /// class Foo {
+  ///   string str = "my string"; // Warning: Localizable string
+  /// }
+  /// </code></example>
+  [AttributeUsage(AttributeTargets.All)]
+  public sealed class LocalizationRequiredAttribute : Attribute
+  {
+    public LocalizationRequiredAttribute() : this(true) { }
+    public LocalizationRequiredAttribute(bool required)
+    {
+      Required = required;
+    }
+
+    public bool Required { get; private set; }
+  }
+
+  /// <summary>
+  /// Indicates that the value of the marked type (or its derivatives)
+  /// cannot be compared using '==' or '!=' operators and <c>Equals()</c>
+  /// should be used instead. However, using '==' or '!=' for comparison
+  /// with <c>null</c> is always permitted.
+  /// </summary>
+  /// <example><code>
+  /// [CannotApplyEqualityOperator]
+  /// class NoEquality { }
+  /// 
+  /// class UsesNoEquality {
+  ///   void Test() {
+  ///     var ca1 = new NoEquality();
+  ///     var ca2 = new NoEquality();
+  ///     if (ca1 != null) { // OK
+  ///       bool condition = ca1 == ca2; // Warning
+  ///     }
+  ///   }
+  /// }
+  /// </code></example>
+  [AttributeUsage(AttributeTargets.Interface | AttributeTargets.Class | AttributeTargets.Struct)]
+  public sealed class CannotApplyEqualityOperatorAttribute : Attribute { }
+
+  /// <summary>
+  /// When applied to a target attribute, specifies a requirement for any type marked
+  /// with the target attribute to implement or inherit specific type or types.
+  /// </summary>
+  /// <example><code>
+  /// [BaseTypeRequired(typeof(IComponent)] // Specify requirement
+  /// class ComponentAttribute : Attribute { }
+  /// 
+  /// [Component] // ComponentAttribute requires implementing IComponent interface
+  /// class MyComponent : IComponent { }
+  /// </code></example>
+  [AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
+  [BaseTypeRequired(typeof(Attribute))]
+  public sealed class BaseTypeRequiredAttribute : Attribute
+  {
+    public BaseTypeRequiredAttribute([NotNull] Type baseType)
+    {
+      BaseType = baseType;
+    }
+
+    [NotNull] public Type BaseType { get; private set; }
+  }
+
+  /// <summary>
+  /// Indicates that the marked symbol is used implicitly (e.g. via reflection, in external library),
+  /// so this symbol will not be marked as unused (as well as by other usage inspections).
+  /// </summary>
+  [AttributeUsage(AttributeTargets.All)]
+  public sealed class UsedImplicitlyAttribute : Attribute
+  {
+    public UsedImplicitlyAttribute()
+      : this(ImplicitUseKindFlags.Default, ImplicitUseTargetFlags.Default) { }
+
+    public UsedImplicitlyAttribute(ImplicitUseKindFlags useKindFlags)
+      : this(useKindFlags, ImplicitUseTargetFlags.Default) { }
+
+    public UsedImplicitlyAttribute(ImplicitUseTargetFlags targetFlags)
+      : this(ImplicitUseKindFlags.Default, targetFlags) { }
+
+    public UsedImplicitlyAttribute(ImplicitUseKindFlags useKindFlags, ImplicitUseTargetFlags targetFlags)
+    {
+      UseKindFlags = useKindFlags;
+      TargetFlags = targetFlags;
+    }
+
+    public ImplicitUseKindFlags UseKindFlags { get; private set; }
+    public ImplicitUseTargetFlags TargetFlags { get; private set; }
+  }
+
+  /// <summary>
+  /// Should be used on attributes and causes ReSharper to not mark symbols marked with such attributes
+  /// as unused (as well as by other usage inspections)
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Class | AttributeTargets.GenericParameter)]
+  public sealed class MeansImplicitUseAttribute : Attribute
+  {
+    public MeansImplicitUseAttribute()
+      : this(ImplicitUseKindFlags.Default, ImplicitUseTargetFlags.Default) { }
+
+    public MeansImplicitUseAttribute(ImplicitUseKindFlags useKindFlags)
+      : this(useKindFlags, ImplicitUseTargetFlags.Default) { }
+
+    public MeansImplicitUseAttribute(ImplicitUseTargetFlags targetFlags)
+      : this(ImplicitUseKindFlags.Default, targetFlags) { }
+
+    public MeansImplicitUseAttribute(ImplicitUseKindFlags useKindFlags, ImplicitUseTargetFlags targetFlags)
+    {
+      UseKindFlags = useKindFlags;
+      TargetFlags = targetFlags;
+    }
+
+    [UsedImplicitly] public ImplicitUseKindFlags UseKindFlags { get; private set; }
+    [UsedImplicitly] public ImplicitUseTargetFlags TargetFlags { get; private set; }
+  }
+
+  [Flags]
+  public enum ImplicitUseKindFlags
+  {
+    Default = Access | Assign | InstantiatedWithFixedConstructorSignature,
+    /// <summary>Only entity marked with attribute considered used.</summary>
+    Access = 1,
+    /// <summary>Indicates implicit assignment to a member.</summary>
+    Assign = 2,
+    /// <summary>
+    /// Indicates implicit instantiation of a type with fixed constructor signature.
+    /// That means any unused constructor parameters won't be reported as such.
+    /// </summary>
+    InstantiatedWithFixedConstructorSignature = 4,
+    /// <summary>Indicates implicit instantiation of a type.</summary>
+    InstantiatedNoFixedConstructorSignature = 8,
+  }
+
+  /// <summary>
+  /// Specify what is considered used implicitly when marked
+  /// with <see cref="MeansImplicitUseAttribute"/> or <see cref="UsedImplicitlyAttribute"/>.
+  /// </summary>
+  [Flags]
+  public enum ImplicitUseTargetFlags
+  {
+    Default = Itself,
+    Itself = 1,
+    /// <summary>Members of entity marked with attribute are considered used.</summary>
+    Members = 2,
+    /// <summary>Entity marked with attribute and all its members considered used.</summary>
+    WithMembers = Itself | Members
+  }
+
+  /// <summary>
+  /// This attribute is intended to mark publicly available API
+  /// which should not be removed and so is treated as used.
+  /// </summary>
+  [MeansImplicitUse(ImplicitUseTargetFlags.WithMembers)]
+  public sealed class PublicAPIAttribute : Attribute
+  {
+    public PublicAPIAttribute() { }
+    public PublicAPIAttribute([NotNull] string comment)
+    {
+      Comment = comment;
+    }
+
+    public string Comment { get; private set; }
+  }
+
+  /// <summary>
+  /// Tells code analysis engine if the parameter is completely handled when the invoked method is on stack.
+  /// If the parameter is a delegate, indicates that delegate is executed while the method is executed.
+  /// If the parameter is an enumerable, indicates that it is enumerated while the method is executed.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter)]
+  public sealed class InstantHandleAttribute : Attribute { }
+
+  /// <summary>
+  /// Indicates that a method does not make any observable state changes.
+  /// The same as <c>System.Diagnostics.Contracts.PureAttribute</c>.
+  /// </summary>
+  /// <example><code>
+  /// [Pure] int Multiply(int x, int y) => x * y;
+  /// 
+  /// void M() {
+  ///   Multiply(123, 42); // Waring: Return value of pure method is not used
+  /// }
+  /// </code></example>
+  [AttributeUsage(AttributeTargets.Method)]
+  public sealed class PureAttribute : Attribute { }
+
+  /// <summary>
+  /// Indicates that the return value of method invocation must be used.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Method)]
+  public sealed class MustUseReturnValueAttribute : Attribute
+  {
+    public MustUseReturnValueAttribute() { }
+    public MustUseReturnValueAttribute([NotNull] string justification)
+    {
+      Justification = justification;
+    }
+
+    public string Justification { get; private set; }
+  }
+
+  /// <summary>
+  /// Indicates the type member or parameter of some type, that should be used instead of all other ways
+  /// to get the value that type. This annotation is useful when you have some "context" value evaluated
+  /// and stored somewhere, meaning that all other ways to get this value must be consolidated with existing one.
+  /// </summary>
+  /// <example><code>
+  /// class Foo {
+  ///   [ProvidesContext] IBarService _barService = ...;
+  /// 
+  ///   void ProcessNode(INode node) {
+  ///     DoSomething(node, node.GetGlobalServices().Bar);
+  ///     //              ^ Warning: use value of '_barService' field
+  ///   }
+  /// }
+  /// </code></example>
+  [AttributeUsage(
+    AttributeTargets.Field | AttributeTargets.Property | AttributeTargets.Parameter |
+    AttributeTargets.Method)]
+  public sealed class ProvidesContextAttribute : Attribute { }
+
+  /// <summary>
+  /// Indicates that a parameter is a path to a file or a folder within a web project.
+  /// Path can be relative or absolute, starting from web root (~).
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter)]
+  public sealed class PathReferenceAttribute : Attribute
+  {
+    public PathReferenceAttribute() { }
+    public PathReferenceAttribute([PathReference] string basePath)
+    {
+      BasePath = basePath;
+    }
+
+    public string BasePath { get; private set; }
+  }
+
+  /// <summary>
+  /// An extension method marked with this attribute is processed by ReSharper code completion
+  /// as a 'Source Template'. When extension method is completed over some expression, it's source code
+  /// is automatically expanded like a template at call site.
+  /// </summary>
+  /// <remarks>
+  /// Template method body can contain valid source code and/or special comments starting with '$'.
+  /// Text inside these comments is added as source code when the template is applied. Template parameters
+  /// can be used either as additional method parameters or as identifiers wrapped in two '$' signs.
+  /// Use the <see cref="MacroAttribute"/> attribute to specify macros for parameters.
+  /// </remarks>
+  /// <example>
+  /// In this example, the 'forEach' method is a source template available over all values
+  /// of enumerable types, producing ordinary C# 'foreach' statement and placing caret inside block:
+  /// <code>
+  /// [SourceTemplate]
+  /// public static void forEach&lt;T&gt;(this IEnumerable&lt;T&gt; xs) {
+  ///   foreach (var x in xs) {
+  ///      //$ $END$
+  ///   }
+  /// }
+  /// </code>
+  /// </example>
+  [AttributeUsage(AttributeTargets.Method)]
+  public sealed class SourceTemplateAttribute : Attribute { }
+
+  /// <summary>
+  /// Allows specifying a macro for a parameter of a <see cref="SourceTemplateAttribute">source template</see>.
+  /// </summary>
+  /// <remarks>
+  /// You can apply the attribute on the whole method or on any of its additional parameters. The macro expression
+  /// is defined in the <see cref="MacroAttribute.Expression"/> property. When applied on a method, the target
+  /// template parameter is defined in the <see cref="MacroAttribute.Target"/> property. To apply the macro silently
+  /// for the parameter, set the <see cref="MacroAttribute.Editable"/> property value = -1.
+  /// </remarks>
+  /// <example>
+  /// Applying the attribute on a source template method:
+  /// <code>
+  /// [SourceTemplate, Macro(Target = "item", Expression = "suggestVariableName()")]
+  /// public static void forEach&lt;T&gt;(this IEnumerable&lt;T&gt; collection) {
+  ///   foreach (var item in collection) {
+  ///     //$ $END$
+  ///   }
+  /// }
+  /// </code>
+  /// Applying the attribute on a template method parameter:
+  /// <code>
+  /// [SourceTemplate]
+  /// public static void something(this Entity x, [Macro(Expression = "guid()", Editable = -1)] string newguid) {
+  ///   /*$ var $x$Id = "$newguid$" + x.ToString();
+  ///   x.DoSomething($x$Id); */
+  /// }
+  /// </code>
+  /// </example>
+  [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Method, AllowMultiple = true)]
+  public sealed class MacroAttribute : Attribute
+  {
+    /// <summary>
+    /// Allows specifying a macro that will be executed for a <see cref="SourceTemplateAttribute">source template</see>
+    /// parameter when the template is expanded.
+    /// </summary>
+    public string Expression { get; set; }
+
+    /// <summary>
+    /// Allows specifying which occurrence of the target parameter becomes editable when the template is deployed.
+    /// </summary>
+    /// <remarks>
+    /// If the target parameter is used several times in the template, only one occurrence becomes editable;
+    /// other occurrences are changed synchronously. To specify the zero-based index of the editable occurrence,
+    /// use values >= 0. To make the parameter non-editable when the template is expanded, use -1.
+    /// </remarks>>
+    public int Editable { get; set; }
+
+    /// <summary>
+    /// Identifies the target parameter of a <see cref="SourceTemplateAttribute">source template</see> if the
+    /// <see cref="MacroAttribute"/> is applied on a template method.
+    /// </summary>
+    public string Target { get; set; }
+  }
+
+  [AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
+  public sealed class AspMvcAreaMasterLocationFormatAttribute : Attribute
+  {
+    public AspMvcAreaMasterLocationFormatAttribute(string format)
+    {
+      Format = format;
+    }
+
+    public string Format { get; private set; }
+  }
+
+  [AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
+  public sealed class AspMvcAreaPartialViewLocationFormatAttribute : Attribute
+  {
+    public AspMvcAreaPartialViewLocationFormatAttribute(string format)
+    {
+      Format = format;
+    }
+
+    public string Format { get; private set; }
+  }
+
+  [AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
+  public sealed class AspMvcAreaViewLocationFormatAttribute : Attribute
+  {
+    public AspMvcAreaViewLocationFormatAttribute(string format)
+    {
+      Format = format;
+    }
+
+    public string Format { get; private set; }
+  }
+
+  [AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
+  public sealed class AspMvcMasterLocationFormatAttribute : Attribute
+  {
+    public AspMvcMasterLocationFormatAttribute(string format)
+    {
+      Format = format;
+    }
+
+    public string Format { get; private set; }
+  }
+
+  [AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
+  public sealed class AspMvcPartialViewLocationFormatAttribute : Attribute
+  {
+    public AspMvcPartialViewLocationFormatAttribute(string format)
+    {
+      Format = format;
+    }
+
+    public string Format { get; private set; }
+  }
+
+  [AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
+  public sealed class AspMvcViewLocationFormatAttribute : Attribute
+  {
+    public AspMvcViewLocationFormatAttribute(string format)
+    {
+      Format = format;
+    }
+
+    public string Format { get; private set; }
+  }
+
+  /// <summary>
+  /// ASP.NET MVC attribute. If applied to a parameter, indicates that the parameter
+  /// is an MVC action. If applied to a method, the MVC action name is calculated
+  /// implicitly from the context. Use this attribute for custom wrappers similar to
+  /// <c>System.Web.Mvc.Html.ChildActionExtensions.RenderAction(HtmlHelper, String)</c>.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Method)]
+  public sealed class AspMvcActionAttribute : Attribute
+  {
+    public AspMvcActionAttribute() { }
+    public AspMvcActionAttribute(string anonymousProperty)
+    {
+      AnonymousProperty = anonymousProperty;
+    }
+
+    public string AnonymousProperty { get; private set; }
+  }
+
+  /// <summary>
+  /// ASP.NET MVC attribute. Indicates that a parameter is an MVC area.
+  /// Use this attribute for custom wrappers similar to
+  /// <c>System.Web.Mvc.Html.ChildActionExtensions.RenderAction(HtmlHelper, String)</c>.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter)]
+  public sealed class AspMvcAreaAttribute : Attribute
+  {
+    public AspMvcAreaAttribute() { }
+    public AspMvcAreaAttribute(string anonymousProperty)
+    {
+      AnonymousProperty = anonymousProperty;
+    }
+
+    public string AnonymousProperty { get; private set; }
+  }
+
+  /// <summary>
+  /// ASP.NET MVC attribute. If applied to a parameter, indicates that the parameter is
+  /// an MVC controller. If applied to a method, the MVC controller name is calculated
+  /// implicitly from the context. Use this attribute for custom wrappers similar to
+  /// <c>System.Web.Mvc.Html.ChildActionExtensions.RenderAction(HtmlHelper, String, String)</c>.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Method)]
+  public sealed class AspMvcControllerAttribute : Attribute
+  {
+    public AspMvcControllerAttribute() { }
+    public AspMvcControllerAttribute(string anonymousProperty)
+    {
+      AnonymousProperty = anonymousProperty;
+    }
+
+    public string AnonymousProperty { get; private set; }
+  }
+
+  /// <summary>
+  /// ASP.NET MVC attribute. Indicates that a parameter is an MVC Master. Use this attribute
+  /// for custom wrappers similar to <c>System.Web.Mvc.Controller.View(String, String)</c>.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter)]
+  public sealed class AspMvcMasterAttribute : Attribute { }
+
+  /// <summary>
+  /// ASP.NET MVC attribute. Indicates that a parameter is an MVC model type. Use this attribute
+  /// for custom wrappers similar to <c>System.Web.Mvc.Controller.View(String, Object)</c>.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter)]
+  public sealed class AspMvcModelTypeAttribute : Attribute { }
+
+  /// <summary>
+  /// ASP.NET MVC attribute. If applied to a parameter, indicates that the parameter is an MVC
+  /// partial view. If applied to a method, the MVC partial view name is calculated implicitly
+  /// from the context. Use this attribute for custom wrappers similar to
+  /// <c>System.Web.Mvc.Html.RenderPartialExtensions.RenderPartial(HtmlHelper, String)</c>.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Method)]
+  public sealed class AspMvcPartialViewAttribute : Attribute { }
+
+  /// <summary>
+  /// ASP.NET MVC attribute. Allows disabling inspections for MVC views within a class or a method.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method)]
+  public sealed class AspMvcSuppressViewErrorAttribute : Attribute { }
+
+  /// <summary>
+  /// ASP.NET MVC attribute. Indicates that a parameter is an MVC display template.
+  /// Use this attribute for custom wrappers similar to 
+  /// <c>System.Web.Mvc.Html.DisplayExtensions.DisplayForModel(HtmlHelper, String)</c>.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter)]
+  public sealed class AspMvcDisplayTemplateAttribute : Attribute { }
+
+  /// <summary>
+  /// ASP.NET MVC attribute. Indicates that a parameter is an MVC editor template.
+  /// Use this attribute for custom wrappers similar to
+  /// <c>System.Web.Mvc.Html.EditorExtensions.EditorForModel(HtmlHelper, String)</c>.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter)]
+  public sealed class AspMvcEditorTemplateAttribute : Attribute { }
+
+  /// <summary>
+  /// ASP.NET MVC attribute. Indicates that a parameter is an MVC template.
+  /// Use this attribute for custom wrappers similar to
+  /// <c>System.ComponentModel.DataAnnotations.UIHintAttribute(System.String)</c>.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter)]
+  public sealed class AspMvcTemplateAttribute : Attribute { }
+
+  /// <summary>
+  /// ASP.NET MVC attribute. If applied to a parameter, indicates that the parameter
+  /// is an MVC view component. If applied to a method, the MVC view name is calculated implicitly
+  /// from the context. Use this attribute for custom wrappers similar to
+  /// <c>System.Web.Mvc.Controller.View(Object)</c>.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Method)]
+  public sealed class AspMvcViewAttribute : Attribute { }
+
+  /// <summary>
+  /// ASP.NET MVC attribute. If applied to a parameter, indicates that the parameter
+  /// is an MVC view component name.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter)]
+  public sealed class AspMvcViewComponentAttribute : Attribute { }
+
+  /// <summary>
+  /// ASP.NET MVC attribute. If applied to a parameter, indicates that the parameter
+  /// is an MVC view component view. If applied to a method, the MVC view component view name is default.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Method)]
+  public sealed class AspMvcViewComponentViewAttribute : Attribute { }
+
+  /// <summary>
+  /// ASP.NET MVC attribute. When applied to a parameter of an attribute,
+  /// indicates that this parameter is an MVC action name.
+  /// </summary>
+  /// <example><code>
+  /// [ActionName("Foo")]
+  /// public ActionResult Login(string returnUrl) {
+  ///   ViewBag.ReturnUrl = Url.Action("Foo"); // OK
+  ///   return RedirectToAction("Bar"); // Error: Cannot resolve action
+  /// }
+  /// </code></example>
+  [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Property)]
+  public sealed class AspMvcActionSelectorAttribute : Attribute { }
+
+  [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Property | AttributeTargets.Field)]
+  public sealed class HtmlElementAttributesAttribute : Attribute
+  {
+    public HtmlElementAttributesAttribute() { }
+    public HtmlElementAttributesAttribute(string name)
+    {
+      Name = name;
+    }
+
+    public string Name { get; private set; }
+  }
+
+  [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Field | AttributeTargets.Property)]
+  public sealed class HtmlAttributeValueAttribute : Attribute
+  {
+    public HtmlAttributeValueAttribute([NotNull] string name)
+    {
+      Name = name;
+    }
+
+    [NotNull] public string Name { get; private set; }
+  }
+
+  /// <summary>
+  /// Razor attribute. Indicates that a parameter or a method is a Razor section.
+  /// Use this attribute for custom wrappers similar to 
+  /// <c>System.Web.WebPages.WebPageBase.RenderSection(String)</c>.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Method)]
+  public sealed class RazorSectionAttribute : Attribute { }
+
+  /// <summary>
+  /// Indicates how method, constructor invocation or property access
+  /// over collection type affects content of the collection.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Method | AttributeTargets.Constructor | AttributeTargets.Property)]
+  public sealed class CollectionAccessAttribute : Attribute
+  {
+    public CollectionAccessAttribute(CollectionAccessType collectionAccessType)
+    {
+      CollectionAccessType = collectionAccessType;
+    }
+
+    public CollectionAccessType CollectionAccessType { get; private set; }
+  }
+
+  [Flags]
+  public enum CollectionAccessType
+  {
+    /// <summary>Method does not use or modify content of the collection.</summary>
+    None = 0,
+    /// <summary>Method only reads content of the collection but does not modify it.</summary>
+    Read = 1,
+    /// <summary>Method can change content of the collection but does not add new elements.</summary>
+    ModifyExistingContent = 2,
+    /// <summary>Method can add new elements to the collection.</summary>
+    UpdatedContent = ModifyExistingContent | 4
+  }
+
+  /// <summary>
+  /// Indicates that the marked method is assertion method, i.e. it halts control flow if
+  /// one of the conditions is satisfied. To set the condition, mark one of the parameters with 
+  /// <see cref="AssertionConditionAttribute"/> attribute.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Method)]
+  public sealed class AssertionMethodAttribute : Attribute { }
+
+  /// <summary>
+  /// Indicates the condition parameter of the assertion method. The method itself should be
+  /// marked by <see cref="AssertionMethodAttribute"/> attribute. The mandatory argument of
+  /// the attribute is the assertion type.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter)]
+  public sealed class AssertionConditionAttribute : Attribute
+  {
+    public AssertionConditionAttribute(AssertionConditionType conditionType)
+    {
+      ConditionType = conditionType;
+    }
+
+    public AssertionConditionType ConditionType { get; private set; }
+  }
+
+  /// <summary>
+  /// Specifies assertion type. If the assertion method argument satisfies the condition,
+  /// then the execution continues. Otherwise, execution is assumed to be halted.
+  /// </summary>
+  public enum AssertionConditionType
+  {
+    /// <summary>Marked parameter should be evaluated to true.</summary>
+    IS_TRUE = 0,
+    /// <summary>Marked parameter should be evaluated to false.</summary>
+    IS_FALSE = 1,
+    /// <summary>Marked parameter should be evaluated to null value.</summary>
+    IS_NULL = 2,
+    /// <summary>Marked parameter should be evaluated to not null value.</summary>
+    IS_NOT_NULL = 3,
+  }
+
+  /// <summary>
+  /// Indicates that the marked method unconditionally terminates control flow execution.
+  /// For example, it could unconditionally throw exception.
+  /// </summary>
+  [Obsolete("Use [ContractAnnotation('=> halt')] instead")]
+  [AttributeUsage(AttributeTargets.Method)]
+  public sealed class TerminatesProgramAttribute : Attribute { }
+
+  /// <summary>
+  /// Indicates that method is pure LINQ method, with postponed enumeration (like Enumerable.Select,
+  /// .Where). This annotation allows inference of [InstantHandle] annotation for parameters
+  /// of delegate type by analyzing LINQ method chains.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Method)]
+  public sealed class LinqTunnelAttribute : Attribute { }
+
+  /// <summary>
+  /// Indicates that IEnumerable, passed as parameter, is not enumerated.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter)]
+  public sealed class NoEnumerationAttribute : Attribute { }
+
+  /// <summary>
+  /// Indicates that parameter is regular expression pattern.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Parameter)]
+  public sealed class RegexPatternAttribute : Attribute { }
+
+  /// <summary>
+  /// XAML attribute. Indicates the type that has <c>ItemsSource</c> property and should be treated
+  /// as <c>ItemsControl</c>-derived type, to enable inner items <c>DataContext</c> type resolve.
+  /// </summary>
+  [AttributeUsage(AttributeTargets.Class)]
+  public sealed class XamlItemsControlAttribute : Attribute { }
+
+  /// <summary>
+  /// XAML attribute. Indicates the property of some <c>BindingBase</c>-derived type, that
+  /// is used to bind some item of <c>ItemsControl</c>-derived type. This annotation will
+  /// enable the <c>DataContext</c> type resolve for XAML bindings for such properties.
+  /// </summary>
+  /// <remarks>
+  /// Property should have the tree ancestor of the <c>ItemsControl</c> type or
+  /// marked with the <see cref="XamlItemsControlAttribute"/> attribute.
+  /// </remarks>
+  [AttributeUsage(AttributeTargets.Property)]
+  public sealed class XamlItemBindingOfItemsControlAttribute : Attribute { }
+
+  [AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
+  public sealed class AspChildControlTypeAttribute : Attribute
+  {
+    public AspChildControlTypeAttribute(string tagName, Type controlType)
+    {
+      TagName = tagName;
+      ControlType = controlType;
+    }
+
+    public string TagName { get; private set; }
+    public Type ControlType { get; private set; }
+  }
+
+  [AttributeUsage(AttributeTargets.Property | AttributeTargets.Method)]
+  public sealed class AspDataFieldAttribute : Attribute { }
+
+  [AttributeUsage(AttributeTargets.Property | AttributeTargets.Method)]
+  public sealed class AspDataFieldsAttribute : Attribute { }
+
+  [AttributeUsage(AttributeTargets.Property)]
+  public sealed class AspMethodPropertyAttribute : Attribute { }
+
+  [AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
+  public sealed class AspRequiredAttributeAttribute : Attribute
+  {
+    public AspRequiredAttributeAttribute([NotNull] string attribute)
+    {
+      Attribute = attribute;
+    }
+
+    public string Attribute { get; private set; }
+  }
+
+  [AttributeUsage(AttributeTargets.Property)]
+  public sealed class AspTypePropertyAttribute : Attribute
+  {
+    public bool CreateConstructorReferences { get; private set; }
+
+    public AspTypePropertyAttribute(bool createConstructorReferences)
+    {
+      CreateConstructorReferences = createConstructorReferences;
+    }
+  }
+
+  [AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
+  public sealed class RazorImportNamespaceAttribute : Attribute
+  {
+    public RazorImportNamespaceAttribute(string name)
+    {
+      Name = name;
+    }
+
+    public string Name { get; private set; }
+  }
+
+  [AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
+  public sealed class RazorInjectionAttribute : Attribute
+  {
+    public RazorInjectionAttribute(string type, string fieldName)
+    {
+      Type = type;
+      FieldName = fieldName;
+    }
+
+    public string Type { get; private set; }
+    public string FieldName { get; private set; }
+  }
+
+  [AttributeUsage(AttributeTargets.Method)]
+  public sealed class RazorHelperCommonAttribute : Attribute { }
+
+  [AttributeUsage(AttributeTargets.Property)]
+  public sealed class RazorLayoutAttribute : Attribute { }
+
+  [AttributeUsage(AttributeTargets.Method)]
+  public sealed class RazorWriteLiteralMethodAttribute : Attribute { }
+
+  [AttributeUsage(AttributeTargets.Method)]
+  public sealed class RazorWriteMethodAttribute : Attribute { }
+
+  [AttributeUsage(AttributeTargets.Parameter)]
+  public sealed class RazorWriteMethodParameterAttribute : Attribute { }
+
+  /// <summary>
+  /// Prevents the Member Reordering feature from tossing members of the marked class.
+  /// </summary>
+  /// <remarks>
+  /// The attribute must be mentioned in your member reordering patterns
+  /// </remarks>
+  [AttributeUsage(AttributeTargets.All)]
+  public sealed class NoReorder : Attribute { }
+}

Plugins/Wox.Plugin.WebSearch/WebSearchPlugin.cs

@@ -1,17 +1,19 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Reflection;
+using System.Windows.Controls;
+using Wox.Plugin.WebSearch.Annotations;
 using Wox.Plugin.WebSearch.SuggestionSources;
 
 namespace Wox.Plugin.WebSearch
 {
-    public class WebSearchPlugin : IPlugin, ISettingProvider, IPluginI18n, IInstantQuery
+    public class WebSearchPlugin : IPlugin, ISettingProvider, IPluginI18n, IInstantQuery, IMultipleActionKeywords
     {
-        private PluginInitContext context;
+        public PluginInitContext Context { get; private set; }
-        private IDisposable suggestionTimer;
 
         public List<Result> Query(Query query)
         {
@@ -21,71 +23,63 @@ namespace Wox.Plugin.WebSearch
 
             if (webSearch != null)
             {
-                string keyword = query.ActionKeyword;
+                string keyword = query.Search;
                 string title = keyword;
-                string subtitle = context.API.GetTranslation("wox_plugin_websearch_search") + " " + webSearch.Title;
+                string subtitle = Context.API.GetTranslation("wox_plugin_websearch_search") + " " + webSearch.Title;
                 if (string.IsNullOrEmpty(keyword))
                 {
                     title = subtitle;
-                    subtitle = null;
+                    subtitle = string.Empty;
                 }
-                context.API.PushResults(query, context.CurrentPluginMetadata, new List<Result>()
+                var result = new Result
                 {
-                    new Result()
+                    Title = title,
+                    SubTitle = subtitle,
+                    Score = 6,
+                    IcoPath = webSearch.IconPath,
+                    Action = c =>
                     {
-                        Title = title,
+                        Process.Start(webSearch.Url.Replace("{q}", Uri.EscapeDataString(keyword ?? string.Empty)));
-                        SubTitle = subtitle,
+                        return true;
-                        Score = 6,
-                        IcoPath = webSearch.IconPath,
-                        Action = (c) =>
-                        {
-                            Process.Start(webSearch.Url.Replace("{q}", Uri.EscapeDataString(keyword)));
-                            return true;
-                        }
                     }
-                });
+                };
+                results.Add(result);
 
                 if (WebSearchStorage.Instance.EnableWebSearchSuggestion && !string.IsNullOrEmpty(keyword))
                 {
-                    if (suggestionTimer != null)
+                    // todo use Task.Wait when .net upgraded
-                    {
+                    results.AddRange(ResultsFromSuggestions(keyword, subtitle, webSearch));
-                        suggestionTimer.Dispose();
-                    }
-                    suggestionTimer = EasyTimer.SetTimeout(() => { QuerySuggestions(keyword, query, subtitle, webSearch); }, 350);
                 }
             }
-
             return results;
         }
 
-        private void QuerySuggestions(string keyword, Query query, string subtitle, WebSearch webSearch)
+        private IEnumerable<Result> ResultsFromSuggestions(string keyword, string subtitle, WebSearch webSearch)
         {
-            ISuggestionSource sugg = SuggestionSourceFactory.GetSuggestionSource(WebSearchStorage.Instance.WebSearchSuggestionSource, context);
+            ISuggestionSource sugg = SuggestionSourceFactory.GetSuggestionSource(WebSearchStorage.Instance.WebSearchSuggestionSource, Context);
-            if (sugg != null)
+            var suggestions = sugg?.GetSuggestions(keyword);
+            if (suggestions != null)
             {
-                var result = sugg.GetSuggestions(keyword);
+                var resultsFromSuggestion = suggestions.Select(o => new Result
-                if (result != null)
                 {
-                    context.API.PushResults(query, context.CurrentPluginMetadata,
+                    Title = o,
-                        result.Select(o => new Result()
+                    SubTitle = subtitle,
-                        {
+                    Score = 5,
-                            Title = o,
+                    IcoPath = webSearch.IconPath,
-                            SubTitle = subtitle,
+                    Action = c =>
-                            Score = 5,
+                    {
-                            IcoPath = webSearch.IconPath,
+                        Process.Start(webSearch.Url.Replace("{q}", Uri.EscapeDataString(o)));
-                            Action = (c) =>
+                        return true;
-                            {
+                    }
-                                Process.Start(webSearch.Url.Replace("{q}", Uri.EscapeDataString(o)));
+                });
-                                return true;
+                return resultsFromSuggestion;
-                            }
-                        }).ToList());
-                }
             }
+            return new List<Result>();
         }
 
         public void Init(PluginInitContext context)
         {
-            this.context = context;
+            this.Context = context;
 
             if (WebSearchStorage.Instance.WebSearches == null)
                 WebSearchStorage.Instance.WebSearches = WebSearchStorage.Instance.LoadDefaultWebSearches();
@@ -93,9 +87,9 @@ namespace Wox.Plugin.WebSearch
 
         #region ISettingProvider Members
 
-        public System.Windows.Controls.Control CreateSettingPanel()
+        public Control CreateSettingPanel()
         {
-            return new WebSearchesSetting(context);
+            return new WebSearchesSetting(this);
         }
 
         #endregion
@@ -107,15 +101,35 @@ namespace Wox.Plugin.WebSearch
 
         public string GetTranslatedPluginTitle()
         {
-            return context.API.GetTranslation("wox_plugin_websearch_plugin_name");
+            return Context.API.GetTranslation("wox_plugin_websearch_plugin_name");
         }
 
         public string GetTranslatedPluginDescription()
         {
-            return context.API.GetTranslation("wox_plugin_websearch_plugin_description");
+            return Context.API.GetTranslation("wox_plugin_websearch_plugin_description");
         }
 
         public bool IsInstantQuery(string query) => false;
 
+        [NotifyPropertyChangedInvocator]
+        public void NotifyActionKeywordsUpdated(string oldActionKeywords, string newActionKeywords)
+        {
+            ActionKeywordsChanged?.Invoke(this, new ActionKeywordsChangedEventArgs
+            {
+                OldActionKeyword = oldActionKeywords,
+                NewActionKeyword = newActionKeywords
+            });
+        }
+
+        [NotifyPropertyChangedInvocator]
+        public void NotifyActionKeywordsAdded(string newActionKeywords)
+        {
+            ActionKeywordsChanged?.Invoke(this, new ActionKeywordsChangedEventArgs
+            {
+                NewActionKeyword = newActionKeywords
+            });
+        }
+
+        public event ActionKeywordsChangedEventHandler ActionKeywordsChanged;
     }
 }

Plugins/Wox.Plugin.WebSearch/WebSearchSetting.xaml

@@ -37,7 +37,7 @@
         </StackPanel>
         <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" Grid.Row="5" Grid.Column="1">
             <Button x:Name="btnCancel" Click="BtnCancel_OnClick" Margin="10 0 10 0" Width="80" Height="25" Content="{DynamicResource wox_plugin_websearch_cancel}"></Button>
-            <Button x:Name="btnAdd" Margin="10 0 10 0"  Width="80" Height="25" Click="btnAdd_OnClick">
+            <Button x:Name="btnConfirm" Margin="10 0 10 0"  Width="80" Height="25" Click="btnConfirm_OnClick">
                 <TextBlock x:Name="lblAdd" Text="{DynamicResource wox_plugin_websearch_add}"></TextBlock></Button>
         </StackPanel>
     </Grid>

Plugins/Wox.Plugin.WebSearch/WebSearchSetting.xaml.cs

@@ -5,37 +5,41 @@ using System.Reflection;
 using System.Windows;
 using System.Windows.Media.Imaging;
 using Microsoft.Win32;
+using Wox.Infrastructure.Exception;
 
 namespace Wox.Plugin.WebSearch
 {
     public partial class WebSearchSetting : Window
     {
-        private string defaultWebSearchImageDirectory = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Images\\websearch");
+        private const string _imageDirectoryName = "Images";
-        private WebSearchesSetting settingWindow;
+        private string _pluginDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
-        private bool update;
+        private readonly WebSearchesSetting _settingWindow;
-        private WebSearch updateWebSearch;
+        private bool _isUpdate;
-        private PluginInitContext context;
+        private WebSearch _updateWebSearch;
+        private readonly PluginInitContext _context;
+        private readonly WebSearchPlugin _plguin;
 
-        public WebSearchSetting(WebSearchesSetting settingWidow,PluginInitContext context)
+        public WebSearchSetting(WebSearchesSetting settingWidow)
         {
-            this.context = context;
+            _plguin = settingWidow.Plugin;
-            this.settingWindow = settingWidow;
+            _context = settingWidow.Context;
+            _settingWindow = settingWidow;
             InitializeComponent();
         }
 
         public void UpdateItem(WebSearch webSearch)
         {
-            updateWebSearch = WebSearchStorage.Instance.WebSearches.FirstOrDefault(o => o == webSearch);
+            _updateWebSearch = WebSearchStorage.Instance.WebSearches.FirstOrDefault(o => o == webSearch);
-            if (updateWebSearch == null || string.IsNullOrEmpty(updateWebSearch.Url))
+            if (_updateWebSearch == null || string.IsNullOrEmpty(_updateWebSearch.Url))
             {
 
-                string warning = context.API.GetTranslation("wox_plugin_websearch_invalid_web_search");
+                string warning = _context.API.GetTranslation("wox_plugin_websearch_invalid_web_search");
                 MessageBox.Show(warning);
                 Close();
                 return;
             }
 
-            update = true;
+            _isUpdate = true;
             lblAdd.Text = "Update";
             tbIconPath.Text = webSearch.IconPath;
             ShowIcon(webSearch.IconPath);
@@ -47,13 +51,7 @@ namespace Wox.Plugin.WebSearch
 
         private void ShowIcon(string path)
         {
-            try
+            imgIcon.Source = new BitmapImage(new Uri(Path.Combine(_pluginDirectory, path), UriKind.Absolute));
-            {
-                imgIcon.Source = new BitmapImage(new Uri(path));
-            }
-            catch (Exception)
-            {
-            }
         }
 
         private void BtnCancel_OnClick(object sender, RoutedEventArgs e)
@@ -61,12 +59,15 @@ namespace Wox.Plugin.WebSearch
             Close();
         }
 
-        private void btnAdd_OnClick(object sender, RoutedEventArgs e)
+        /// <summary>
+        /// Confirm button for both add and update
+        /// </summary>
+        private void btnConfirm_OnClick(object sender, RoutedEventArgs e)
         {
             string title = tbTitle.Text;
             if (string.IsNullOrEmpty(title))
             {
-                string warning = context.API.GetTranslation("wox_plugin_websearch_input_title");
+                string warning = _context.API.GetTranslation("wox_plugin_websearch_input_title");
                 MessageBox.Show(warning);
                 return;
             }
@@ -74,89 +75,79 @@ namespace Wox.Plugin.WebSearch
             string url = tbUrl.Text;
             if (string.IsNullOrEmpty(url))
             {
-                string warning = context.API.GetTranslation("wox_plugin_websearch_input_url");
+                string warning = _context.API.GetTranslation("wox_plugin_websearch_input_url");
                 MessageBox.Show(warning);
                 return;
             }
 
-            string action = tbActionword.Text;
+            string newActionKeyword = tbActionword.Text.Trim();
-            if (string.IsNullOrEmpty(action))
+            if (_isUpdate)
             {
-                string warning = context.API.GetTranslation("wox_plugin_websearch_input_action_keyword");
+                try
-                MessageBox.Show(warning);
-                return;
-            }
-
-
-            if (!update)
-            {
-                if (WebSearchStorage.Instance.WebSearches.Exists(o => o.ActionKeyword == action))
                 {
-                    string warning = context.API.GetTranslation("wox_plugin_websearch_action_keyword_exist");
+                    _plguin.NotifyActionKeywordsUpdated(_updateWebSearch.ActionKeyword, newActionKeyword);
-                    MessageBox.Show(warning);
+                }
+                catch (WoxPluginException exception)
+                {
+                    MessageBox.Show(exception.Message);
+                    return;
+                }
+
+                _updateWebSearch.ActionKeyword = newActionKeyword;
+                _updateWebSearch.IconPath = tbIconPath.Text;
+                _updateWebSearch.Enabled = cbEnable.IsChecked ?? false;
+                _updateWebSearch.Url = url;
+                _updateWebSearch.Title = title;
+            }
+            else
+            {
+                try
+                {
+                    _plguin.NotifyActionKeywordsAdded(newActionKeyword);
+                }
+                catch (WoxPluginException exception)
+                {
+                    MessageBox.Show(exception.Message);
                     return;
                 }
                 WebSearchStorage.Instance.WebSearches.Add(new WebSearch()
                 {
-                    ActionKeyword = action,
+                    ActionKeyword = newActionKeyword,
                     Enabled = cbEnable.IsChecked ?? false,
                     IconPath = tbIconPath.Text,
                     Url = url,
                     Title = title
                 });
-                
-                //save the action keywords, the order is not metters. Wox will read this metadata when save settings.
-                context.CurrentPluginMetadata.ActionKeywords.Add(action);
-
-                string msg = context.API.GetTranslation("wox_plugin_websearch_succeed");
-                MessageBox.Show(msg);
             }
-            else
-            {
-                if (WebSearchStorage.Instance.WebSearches.Exists(o => o.ActionKeyword == action && o != updateWebSearch))
-                {
-                    string warning = context.API.GetTranslation("wox_plugin_websearch_action_keyword_exist");
-                    MessageBox.Show(warning);
-                    return;
-                }
-                updateWebSearch.ActionKeyword = action;
-                updateWebSearch.IconPath = tbIconPath.Text;
-                updateWebSearch.Enabled = cbEnable.IsChecked ?? false;
-                updateWebSearch.Url = url;
-                updateWebSearch.Title= title;
-                
-                //save the action keywords, the order is not metters. Wox will read this metadata when save settings.
-                context.CurrentPluginMetadata.ActionKeywords.Add(action);
 
-                string msg = context.API.GetTranslation("wox_plugin_websearch_succeed");
-                MessageBox.Show(msg);
-            }
             WebSearchStorage.Instance.Save();
-
+            _settingWindow.ReloadWebSearchView();
-            settingWindow.ReloadWebSearchView();
             Close();
         }
 
         private void BtnSelectIcon_OnClick(object sender, RoutedEventArgs e)
         {
-            if(!Directory.Exists(defaultWebSearchImageDirectory))
+            if (!Directory.Exists(_pluginDirectory))
             {
-                defaultWebSearchImageDirectory =
+                _pluginDirectory =
                     Path.GetDirectoryName(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location));
             }
 
             var dlg = new OpenFileDialog
             {
-                InitialDirectory = defaultWebSearchImageDirectory,
+                InitialDirectory = Path.Combine(_pluginDirectory, _imageDirectoryName),
-                Filter ="Image files (*.jpg, *.jpeg, *.gif, *.png, *.bmp) |*.jpg; *.jpeg; *.gif; *.png; *.bmp"
+                Filter = "Image files (*.jpg, *.jpeg, *.gif, *.png, *.bmp) |*.jpg; *.jpeg; *.gif; *.png; *.bmp"
             };
 
             bool? result = dlg.ShowDialog();
             if (result == true)
             {
                 string filename = dlg.FileName;
-                tbIconPath.Text = filename;
+                if (filename != null)
-                ShowIcon(filename);
+                {
+                    tbIconPath.Text = Path.Combine(_imageDirectoryName, Path.GetFileName(filename));
+                    ShowIcon(tbIconPath.Text);
+                }
             }
         }
     }

Plugins/Wox.Plugin.WebSearch/WebSearchStorage.cs

@@ -41,7 +41,7 @@ namespace Wox.Plugin.WebSearch
             {
                 Title = "Google",
                 ActionKeyword = "g",
-                IconPath = @"Images\websearch\google.png",
+                IconPath = @"Images\google.png",
                 Url = "https://www.google.com/search?q={q}",
                 Enabled = true
             };
@@ -52,7 +52,7 @@ namespace Wox.Plugin.WebSearch
             {
                 Title = "Wikipedia",
                 ActionKeyword = "wiki",
-                IconPath = @"Images\websearch\wiki.png",
+                IconPath = @"Images\wiki.png",
                 Url = "http://en.wikipedia.org/wiki/{q}",
                 Enabled = true
             };
@@ -62,7 +62,7 @@ namespace Wox.Plugin.WebSearch
             {
                 Title = "FindIcon",
                 ActionKeyword = "findicon",
-                IconPath = @"Images\websearch\pictures.png",
+                IconPath = @"Images\pictures.png",
                 Url = "http://findicons.com/search/{q}",
                 Enabled = true
             };

Plugins/Wox.Plugin.WebSearch/WebSearchesSetting.xaml.cs

@@ -10,14 +10,14 @@ namespace Wox.Plugin.WebSearch
     /// </summary>
     public partial class WebSearchesSetting : UserControl
     {
-        PluginInitContext context;
+        public PluginInitContext Context { get; }
+        public WebSearchPlugin Plugin { get; }
 
-        public WebSearchesSetting(PluginInitContext context)
+        public WebSearchesSetting(WebSearchPlugin plugin)
         {
-            this.context = context;
+            Context = plugin.Context;
-
+            Plugin = plugin;
             InitializeComponent();
-
             Loaded += Setting_Loaded;
         }
 
@@ -28,7 +28,7 @@ namespace Wox.Plugin.WebSearch
             comboBoxSuggestionSource.Visibility = WebSearchStorage.Instance.EnableWebSearchSuggestion
                 ? Visibility.Visible
                 : Visibility.Collapsed;
-                
+
             List<ComboBoxItem> items = new List<ComboBoxItem>()
             {
                 new ComboBoxItem() {Content = "Google"},
@@ -51,7 +51,7 @@ namespace Wox.Plugin.WebSearch
 
         private void btnAddWebSearch_OnClick(object sender, RoutedEventArgs e)
         {
-            WebSearchSetting webSearch = new WebSearchSetting(this,context);
+            WebSearchSetting webSearch = new WebSearchSetting(this);
             webSearch.ShowDialog();
         }
 
@@ -60,9 +60,9 @@ namespace Wox.Plugin.WebSearch
             WebSearch selectedWebSearch = webSearchView.SelectedItem as WebSearch;
             if (selectedWebSearch != null)
             {
-                string msg = string.Format(context.API.GetTranslation("wox_plugin_websearch_delete_warning"),selectedWebSearch.Title);
+                string msg = string.Format(Context.API.GetTranslation("wox_plugin_websearch_delete_warning"), selectedWebSearch.Title);
-                    
+
-                if (MessageBox.Show(msg,string.Empty, MessageBoxButton.YesNo) == MessageBoxResult.Yes)
+                if (MessageBox.Show(msg, string.Empty, MessageBoxButton.YesNo) == MessageBoxResult.Yes)
                 {
                     WebSearchStorage.Instance.WebSearches.Remove(selectedWebSearch);
                     webSearchView.Items.Refresh();
@@ -70,7 +70,7 @@ namespace Wox.Plugin.WebSearch
             }
             else
             {
-                string warning =context.API.GetTranslation("wox_plugin_websearch_pls_select_web_search");
+                string warning = Context.API.GetTranslation("wox_plugin_websearch_pls_select_web_search");
                 MessageBox.Show(warning);
             }
         }
@@ -80,13 +80,13 @@ namespace Wox.Plugin.WebSearch
             WebSearch selectedWebSearch = webSearchView.SelectedItem as WebSearch;
             if (selectedWebSearch != null)
             {
-                WebSearchSetting webSearch = new WebSearchSetting(this,context);
+                WebSearchSetting webSearch = new WebSearchSetting(this);
                 webSearch.UpdateItem(selectedWebSearch);
                 webSearch.ShowDialog();
             }
             else
             {
-                string warning = context.API.GetTranslation("wox_plugin_websearch_pls_select_web_search");
+                string warning = Context.API.GetTranslation("wox_plugin_websearch_pls_select_web_search");
                 MessageBox.Show(warning);
             }
         }
@@ -109,7 +109,7 @@ namespace Wox.Plugin.WebSearch
         {
             if (e.AddedItems.Count > 0)
             {
-                WebSearchStorage.Instance.WebSearchSuggestionSource = ((ComboBoxItem) e.AddedItems[0]).Content.ToString();
+                WebSearchStorage.Instance.WebSearchSuggestionSource = ((ComboBoxItem)e.AddedItems[0]).Content.ToString();
                 WebSearchStorage.Instance.Save();
             }
         }

Plugins/Wox.Plugin.WebSearch/Wox.Plugin.WebSearch.csproj

@@ -50,7 +50,7 @@
     <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="EasyTimer.cs" />
+    <Compile Include="Properties\Annotations.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="SuggestionSources\Baidu.cs" />
     <Compile Include="SuggestionSources\Google.cs" />
@@ -67,7 +67,13 @@
     <Compile Include="WebSearchStorage.cs" />
   </ItemGroup>
   <ItemGroup>
-    <None Include="Images\websearch\pictures.png">
+    <None Include="Images\google.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Include="Images\pictures.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Include="Images\wiki.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
     <Content Include="Languages\en.xaml">
@@ -94,9 +100,6 @@
       <SubType>Designer</SubType>
     </Page>
   </ItemGroup>
-  <ItemGroup>
-    <WCFMetadata Include="Service References\" />
-  </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\Wox.Infrastructure\Wox.Infrastructure.csproj">
       <Project>{4fd29318-a8ab-4d8f-aa47-60bc241b8da3}</Project>
@@ -118,16 +121,6 @@
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
   </ItemGroup>
-  <ItemGroup>
-    <None Include="Images\websearch\google.png">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </None>
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="Images\websearch\wiki.png">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </None>
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.

README.md

@@ -1,13 +1,13 @@
-Wox   [![Build status](https://ci.appveyor.com/api/projects/status/bfktntbivg32e103)](https://ci.appveyor.com/project/qianlifeng/wox) <a href="https://chocolatey.org/packages/wox"><img src="https://img.shields.io/badge/chocolatey-wox-b4884f.svg?style=flat" style="height:auto; width: 100%"></a> [![Bountysource](https://www.bountysource.com/badge/team?team_id=39433&style=raised)](https://www.bountysource.com/teams/wox?utm_source=Wox&utm_medium=shield&utm_campaign=raised)
+Wox   [![Build status](https://ci.appveyor.com/api/projects/status/bfktntbivg32e103)](https://ci.appveyor.com/project/qianlifeng/wox) [![Bountysource](https://www.bountysource.com/badge/team?team_id=39433&style=raised)](https://www.bountysource.com/teams/wox?utm_source=Wox&utm_medium=shield&utm_campaign=raised)
 =========
-[Wox](http://www.getwox.com) is a launcher for windows, inspired by [Alfred](http://www.alfredapp.com/) and [Launchy](http://www.launchy.net/). Wox indexes your programs, your documents, project files, folders, and bookmarks. You can launch everything with just a few keystrokes!.
+[Wox](http://www.getwox.com) is a launcher for windows, inspired by [Alfred](http://www.alfredapp.com/) and [Launchy](http://www.launchy.net/). You can launch everything with just a few keystrokes!.
 
 Features
 =========
-1. Search for applications, folders, files and in the browser bookmarks (using a plugin)
+1. Search all applications, folders, files, [bookmarks](https://www.getwox.com/plugin/16).
-2. Search the web using shortcuts (e.g. search google with `g keyword` or Youtube `youtube keyword`)
+2. Search Web using keyword (e.g. search google with `g search_term`)
-3. Themes support, get more themes from [http://www.getwox.com/theme/builder](http://www.getwox.com/theme/builder)
+3. Build custom themes in [http://www.getwox.com/theme/builder](http://www.getwox.com/theme/builder)
-4. Plugin support, get more plugins from [http://www.getwox.com/plugin](http://www.getwox.com/plugin)
+4. Install plugins from [http://www.getwox.com/plugin](http://www.getwox.com/plugin)
 
 Screenshot
 =========
@@ -35,18 +35,13 @@ Simple Usage
 Contribute  
 =========
 
-If you are a developer, feel free to send a pull request to the **Dev** branch. We still have a lot of features and bugs to resolve. Take a look at [issues page](https://github.com/qianlifeng/Wox/issues) if you want to contribute :)
+If you are a developer, please feel free to send a pull request to the **Dev** branch. We still have a lot of features and bugs to resolve. Take a look at [issues page](https://github.com/qianlifeng/Wox/issues) if you want to contribute :)
 
-If you are not a developer, you can still contribute to the project. Install the beta version, test things and help us with new entries and corrections to the docs [Wox doc](http://doc.getwox.com). Feedback is always welcome!
+If you are not a developer, please install the [Latest build](https://ci.appveyor.com/project/qianlifeng/wox/history) and report bugs (how to: [English](https://github.com/Wox-launcher/Wox/wiki/FAQ-English) [中文](https://github.com/Wox-launcher/Wox/wiki/FAQ-%E4%B8%AD%E6%96%87)). Feedback is always welcome!
 
 Docs
 =========
 
-Full documentation can be found here [Wox Documentation](http://doc.getwox.com). This is a good place to start if you are installing Wox for the first time. Feel free to contribute if you want to improve, correct or translate the documentation.
+Full documentation can be found here [Wox doc](http://doc.getwox.com). This is a good place to start if you are installing Wox for the first time.
 
 In the future, all of the documentation will be moved back to Github wiki.
-
-Discussion
-=========
-
-Do you have a question or an idea for a killer feature? Discuss things with our community at the [Wox Fourms](http://discussion.getwox.com). 

Wox.Core/Exception/WoxPluginException.cs

@@ -1,13 +0,0 @@
-namespace Wox.Core.Exception
-{
-    public class WoxPluginException : WoxException
-    {
-        public string PluginName { get; set; }
-
-        public WoxPluginException(string pluginName,System.Exception e)
-            : base(e.Message,e)
-        {
-            PluginName = pluginName;
-        }
-    }
-}

Wox.Core/Plugin/CSharpPluginLoader.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
+using Wox.Infrastructure.Exception;
 using Wox.Infrastructure.Logger;
 using Wox.Plugin;
 
@@ -19,10 +20,10 @@ namespace Wox.Core.Plugin
                 try
                 {
                     Assembly asm = Assembly.Load(AssemblyName.GetAssemblyName(metadata.ExecuteFilePath));
-                    List<Type> types = asm.GetTypes().Where(o => o.IsClass && !o.IsAbstract &&  o.GetInterfaces().Contains(typeof(IPlugin))).ToList();
+                    List<Type> types = asm.GetTypes().Where(o => o.IsClass && !o.IsAbstract && o.GetInterfaces().Contains(typeof(IPlugin))).ToList();
                     if (types.Count == 0)
                     {
-                        Log.Warn(string.Format("Couldn't load plugin {0}: didn't find the class that implement IPlugin", metadata.Name));
+                        Log.Warn($"Couldn't load plugin {metadata.Name}: didn't find the class that implement IPlugin");
                         continue;
                     }
 
@@ -39,12 +40,7 @@ namespace Wox.Core.Plugin
                 }
                 catch (System.Exception e)
                 {
-                    Log.Error(string.Format("Couldn't load plugin {0}: {1}", metadata.Name, e.Message));
+                    Log.Error(new WoxPluginException(metadata.Name, $"Couldn't load plugin", e));
-#if (DEBUG)
-                    {
-                        throw;
-                    }
-#endif
                 }
             }
 

Wox.Core/Plugin/JsonRPCPlugin.cs

@@ -5,7 +5,7 @@ using System.Reflection;
 using System.Threading;
 using System.Windows.Forms;
 using Newtonsoft.Json;
-using Wox.Core.Exception;
+using Wox.Infrastructure.Exception;
 using Wox.Infrastructure.Logger;
 using Wox.Plugin;
 
@@ -74,7 +74,7 @@ namespace Wox.Core.Plugin
                 }
                 catch (System.Exception e)
                 {
-                    Log.Error(e.Message);
+                    Log.Error(e);
                 }
             }
             return null;

Wox.Core/Plugin/PluginConfig.cs

@@ -2,8 +2,8 @@
 using System.IO;
 using System.Linq;
 using Newtonsoft.Json;
-using Wox.Core.Exception;
 using Wox.Core.UserSettings;
+using Wox.Infrastructure.Exception;
 using Wox.Infrastructure.Logger;
 using Wox.Plugin;
 
@@ -47,7 +47,7 @@ namespace Wox.Core.Plugin
                     }
                     catch (System.Exception e)
                     {
-                        Log.Error(ExceptionFormatter.FormatExcpetion(e));
+                        Log.Fatal(e);
                     }
                 }
                 PluginMetadata metadata = GetPluginMetadata(directory);
@@ -63,7 +63,7 @@ namespace Wox.Core.Plugin
             string configPath = Path.Combine(pluginDirectory, pluginConfigName);
             if (!File.Exists(configPath))
             {
-                Log.Warn(string.Format("parse plugin {0} failed: didn't find config file.", configPath));
+                Log.Warn($"parse plugin {configPath} failed: didn't find config file.");
                 return null;
             }
 
@@ -77,40 +77,25 @@ namespace Wox.Core.Plugin
                 // for plugin still use old ActionKeyword
                 metadata.ActionKeyword = metadata.ActionKeywords?[0];
             }
-            catch (System.Exception)
+            catch (System.Exception e)
             {
-                string error = string.Format("Parse plugin config {0} failed: json format is not valid", configPath);
+                string msg = $"Parse plugin config {configPath} failed: json format is not valid";
-                Log.Warn(error);
+                Log.Error(new WoxException(msg));
-#if (DEBUG)
-                {
-                    throw new WoxException(error);
-                }
-#endif
                 return null;
             }
 
 
             if (!AllowedLanguage.IsAllowed(metadata.Language))
             {
-                string error = string.Format("Parse plugin config {0} failed: invalid language {1}", configPath, metadata.Language);
+                string msg = $"Parse plugin config {configPath} failed: invalid language {metadata.Language}";
-                Log.Warn(error);
+                Log.Error(new WoxException(msg));
-#if (DEBUG)
-                {
-                    throw new WoxException(error);
-                }
-#endif
                 return null;
             }
 
             if (!File.Exists(metadata.ExecuteFilePath))
             {
-                string error = string.Format("Parse plugin config {0} failed: ExecuteFile {1} didn't exist", configPath, metadata.ExecuteFilePath);
+                string msg = $"Parse plugin config {configPath} failed: ExecuteFile {metadata.ExecuteFilePath} didn't exist";
-                Log.Warn(error);
+                Log.Error(new WoxException(msg));
-#if (DEBUG)
-                {
-                    throw new WoxException(error);
-                }
-#endif
                 return null;
             }
 

Wox.Core/Plugin/PluginManager.cs

@@ -4,13 +4,13 @@ using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Threading;
-using Wox.Core.Exception;
 using Wox.Core.i18n;
 using Wox.Core.UI;
 using Wox.Core.UserSettings;
+using Wox.Infrastructure;
+using Wox.Infrastructure.Exception;
 using Wox.Infrastructure.Logger;
 using Wox.Plugin;
-using Stopwatch = Wox.Infrastructure.Stopwatch;
 
 namespace Wox.Core.Plugin
 {
@@ -30,7 +30,7 @@ namespace Wox.Core.Plugin
         public static IEnumerable<PluginPair> AllPlugins { get; private set; }
 
         public static List<PluginPair> GlobalPlugins { get; } = new List<PluginPair>();
-        public static Dictionary<string, PluginPair> NonGlobalPlugins { get; } = new Dictionary<string, PluginPair>();
+        public static Dictionary<string, PluginPair> NonGlobalPlugins { get; set; } = new Dictionary<string, PluginPair>();
 
         private static IEnumerable<PluginPair> InstantQueryPlugins { get; set; }
         public static IPublicAPI API { private set; get; }
@@ -56,9 +56,9 @@ namespace Wox.Core.Plugin
                     {
                         Directory.CreateDirectory(pluginDirectory);
                     }
-                    catch (System.Exception e)
+                    catch (Exception e)
                     {
-                        Log.Error(e.Message);
+                        Log.Error(e);
                     }
                 }
             }
@@ -69,7 +69,7 @@ namespace Wox.Core.Plugin
         /// </summary>
         public static void Init(IPublicAPI api)
         {
-            if (api == null) throw new WoxCritialException("api is null");
+            if (api == null) throw new WoxFatalException("api is null");
 
             SetupPluginDirectories();
             API = api;
@@ -164,7 +164,7 @@ namespace Wox.Core.Plugin
                 if (customizedPluginConfig != null && customizedPluginConfig.Disabled) continue;
                 if (IsInstantQueryPlugin(plugin))
                 {
-                    Stopwatch.Debug($"Instant Query for {plugin.Metadata.Name}", () =>
+                    Stopwatch.Normal($"Instant QueryForPlugin for {plugin.Metadata.Name}", () =>
                     {
                         QueryForPlugin(plugin, query);
                     });
@@ -173,7 +173,10 @@ namespace Wox.Core.Plugin
                 {
                     ThreadPool.QueueUserWorkItem(state =>
                     {
-                        QueryForPlugin(plugin, query);
+                        Stopwatch.Normal($"Normal QueryForPlugin for {plugin.Metadata.Name}", () =>
+                        {
+                            QueryForPlugin(plugin, query);
+                        });
                     });
                 }
             }
@@ -184,7 +187,7 @@ namespace Wox.Core.Plugin
             try
             {
                 List<Result> results = new List<Result>();
-                var milliseconds = Stopwatch.Normal($"Query for {pair.Metadata.Name}", () =>
+                var milliseconds = Stopwatch.Normal($"Plugin.Query cost for {pair.Metadata.Name}", () =>
                     {
                         results = pair.Plugin.Query(query) ?? results;
                         results.ForEach(o => { o.PluginID = pair.Metadata.ID; });
@@ -193,9 +196,9 @@ namespace Wox.Core.Plugin
                 pair.AvgQueryTime = pair.QueryCount == 1 ? milliseconds : (pair.AvgQueryTime + milliseconds) / 2;
                 API.PushResults(query, pair.Metadata, results);
             }
-            catch (System.Exception e)
+            catch (Exception e)
             {
-                throw new WoxPluginException(pair.Metadata.Name, e);
+                throw new WoxPluginException(pair.Metadata.Name, $"QueryForPlugin failed", e);
             }
         }
 
@@ -237,18 +240,66 @@ namespace Wox.Core.Plugin
                 {
                     return plugin.LoadContextMenus(result);
                 }
-                catch (System.Exception e)
+                catch (Exception e)
                 {
-                    Log.Error($"Couldn't load plugin context menus {pluginPair.Metadata.Name}: {e.Message}");
+                    Log.Error(new WoxPluginException(pluginPair.Metadata.Name, $"Couldn't load plugin context menus", e));
-#if (DEBUG)
-                    {
-                        throw;
-                    }
-#endif
                 }
             }
 
             return new List<Result>();
         }
+
+        public static void UpdateActionKeywordForPlugin(PluginPair plugin, string oldActionKeyword, string newActionKeyword)
+        {
+            var actionKeywords = plugin.Metadata.ActionKeywords;
+            if (string.IsNullOrEmpty(newActionKeyword))
+            {
+                string msg = InternationalizationManager.Instance.GetTranslation("newActionKeywordsCannotBeEmpty");
+                throw new WoxPluginException(plugin.Metadata.Name, msg);
+            }
+            if (NonGlobalPlugins.ContainsKey(newActionKeyword))
+            {
+                string msg = InternationalizationManager.Instance.GetTranslation("newActionKeywordsHasBeenAssigned");
+                throw new WoxPluginException(plugin.Metadata.Name, msg);
+            }
+
+            // add new action keyword
+            if (string.IsNullOrEmpty(oldActionKeyword))
+            {
+                actionKeywords.Add(newActionKeyword);
+                if (newActionKeyword == Query.GlobalPluginWildcardSign)
+                {
+                    GlobalPlugins.Add(plugin);
+                }
+                else
+                {
+                    NonGlobalPlugins[newActionKeyword] = plugin;
+                }
+            }
+            // update existing action keyword
+            else
+            {
+                int index = actionKeywords.IndexOf(oldActionKeyword);
+                actionKeywords[index] = newActionKeyword;
+                if (oldActionKeyword == Query.GlobalPluginWildcardSign)
+                {
+                    GlobalPlugins.Remove(plugin);
+                }
+                else
+                {
+                    NonGlobalPlugins.Remove(oldActionKeyword);
+                }
+                if (newActionKeyword == Query.GlobalPluginWildcardSign)
+                {
+                    GlobalPlugins.Add(plugin);
+                }
+                else
+                {
+                    NonGlobalPlugins[newActionKeyword] = plugin;
+                }
+            }
+
+        }
+
     }
 }

Wox.Core/Theme/Theme.cs

@@ -35,7 +35,7 @@ namespace Wox.Core.Theme
                     }
                     catch (System.Exception e)
                     {
-                        Log.Error(e.Message);
+                        Log.Error(e);
                     }
                 }
             }

Wox.Core/Updater/SemanticVersion.cs

@@ -1,5 +1,5 @@
 using System;
-using Wox.Core.Exception;
+using Wox.Infrastructure.Exception;
 
 namespace Wox.Core.Updater
 {

Wox.Core/UserSettings/UserSettingStorage.cs

@@ -2,9 +2,11 @@
 using System.Collections.Generic;
 using System.Drawing;
 using System.IO;
+using System.Linq;
 using System.Reflection;
 using Newtonsoft.Json;
 using Wox.Infrastructure.Storage;
+using Wox.Plugin;
 
 namespace Wox.Core.UserSettings
 {
@@ -118,7 +120,7 @@ namespace Wox.Core.UserSettings
         public void IncreaseActivateTimes()
         {
             ActivateTimes++;
-            if (ActivateTimes%15 == 0)
+            if (ActivateTimes % 15 == 0)
             {
                 Save();
             }
@@ -162,6 +164,26 @@ namespace Wox.Core.UserSettings
                 storage.Language = "en";
             }
         }
+
+        public void UpdateActionKeyword(PluginMetadata metadata)
+        {
+            var customizedPluginConfig = CustomizedPluginConfigs.FirstOrDefault(o => o.ID == metadata.ID);
+            if (customizedPluginConfig == null)
+            {
+                CustomizedPluginConfigs.Add(new CustomizedPluginConfig()
+                {
+                    Disabled = false,
+                    ID = metadata.ID,
+                    Name = metadata.Name,
+                    ActionKeywords = metadata.ActionKeywords
+                });
+            }
+            else
+            {
+                customizedPluginConfig.ActionKeywords = metadata.ActionKeywords;
+            }
+            Save();
+        }
     }
 
     public enum OpacityMode

Wox.Core/Wox.Core.csproj

@@ -27,7 +27,7 @@
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
+    <OutputPath>..\Output\Release\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
@@ -58,13 +58,6 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="APIServer.cs" />
-    <Compile Include="Exception\ExceptionFormatter.cs" />
-    <Compile Include="Exception\WoxCritialException.cs" />
-    <Compile Include="Exception\WoxException.cs" />
-    <Compile Include="Exception\WoxHttpException.cs" />
-    <Compile Include="Exception\WoxI18nException.cs" />
-    <Compile Include="Exception\WoxJsonRPCException.cs" />
-    <Compile Include="Exception\WoxPluginException.cs" />
     <Compile Include="Updater\Release.cs" />
     <Compile Include="Updater\UpdaterManager.cs" />
     <Compile Include="Updater\WoxUpdateSource.cs" />

Wox.Core/i18n/Internationalization.cs

@@ -4,9 +4,9 @@ using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Windows;
-using Wox.Core.Exception;
 using Wox.Core.UI;
 using Wox.Core.UserSettings;
+using Wox.Infrastructure.Exception;
 using Wox.Infrastructure.Logger;
 using Wox.Plugin;
 
@@ -32,7 +32,7 @@ namespace Wox.Core.i18n
                 }
                 catch (System.Exception e)
                 {
-                    Log.Error(e.Message);
+                    Log.Error(e);
                 }
             }
         }
@@ -122,12 +122,8 @@ namespace Wox.Core.i18n
             }
             catch (System.Exception e)
             {
-                Log.Warn("Update Plugin metadata translation failed:" + e.Message);
+                var woxPluginException = new WoxPluginException(pluginPair.Metadata.Name, "Update Plugin metadata translation failed:", e);
-#if (DEBUG)
+                Log.Error(woxPluginException);
-                {
-                    throw;
-                }
-#endif
             }
         }
 

Wox.Infrastructure/Exception/ExceptionFormatter.cs

@@ -5,7 +5,7 @@ using System.Text;
 using System.Xml;
 using Microsoft.Win32;
 
-namespace Wox.Core.Exception
+namespace Wox.Infrastructure.Exception
 {
     public class ExceptionFormatter
     {

Wox.Infrastructure/Exception/WoxException.cs

@@ -1,4 +1,4 @@
-namespace Wox.Core.Exception
+namespace Wox.Infrastructure.Exception
 {
     /// <summary>
     /// Base Wox Exceptions
@@ -14,7 +14,6 @@
         public WoxException(string msg, System.Exception innerException)
             : base(msg, innerException)
         {
-
         }
     }
 }

Wox.Infrastructure/Exception/WoxFatalException.cs

@@ -1,11 +1,11 @@
-namespace Wox.Core.Exception
+namespace Wox.Infrastructure.Exception
 {
     /// <summary>
     /// Represent exceptions that wox can't handle and MUST close running Wox.
     /// </summary>
-    public class WoxCritialException : WoxException
+    public class WoxFatalException : WoxException
     {
-        public WoxCritialException(string msg) : base(msg)
+        public WoxFatalException(string msg) : base(msg)
         {
         }
     }

Wox.Infrastructure/Exception/WoxHttpException.cs

@@ -1,4 +1,4 @@
-namespace Wox.Core.Exception
+namespace Wox.Infrastructure.Exception
 {
     public class WoxHttpException :WoxException
     {

Wox.Infrastructure/Exception/WoxI18nException.cs

@@ -1,6 +1,6 @@
-namespace Wox.Core.Exception
+namespace Wox.Infrastructure.Exception
 {
-    public class WoxI18nException:WoxException
+    public class WoxI18nException : WoxException
     {
         public WoxI18nException(string msg) : base(msg)
         {

Wox.Infrastructure/Exception/WoxJsonRPCException.cs

@@ -1,4 +1,4 @@
-namespace Wox.Core.Exception
+namespace Wox.Infrastructure.Exception
 {
     public class WoxJsonRPCException : WoxException
     {

Wox.Infrastructure/Exception/WoxPluginException.cs

@@ -0,0 +1,20 @@
+using Wox.Plugin;
+
+namespace Wox.Infrastructure.Exception
+{
+    public class WoxPluginException : WoxException
+    {
+        public string PluginName { get; set; }
+
+        public WoxPluginException(string pluginName, string msg, System.Exception e)
+            : base($"{pluginName} : {msg}", e)
+        {
+            PluginName = pluginName;
+        }
+
+        public WoxPluginException(string pluginName, string msg) : base(msg)
+        {
+            PluginName = pluginName;
+        }
+    }
+}

Wox.Infrastructure/Http/HttpRequest.cs

@@ -1,5 +1,4 @@
-using System;
+using System.IO;
-using System.IO;
 using System.Net;
 using System.Text;
 using Wox.Plugin;
@@ -55,7 +54,7 @@ namespace Wox.Infrastructure.Http
                     }
                 }
             }
-            catch (Exception e)
+            catch (System.Exception e)
             {
                 Logger.Log.Error(e);
                 return string.Empty;
@@ -108,7 +107,7 @@ namespace Wox.Infrastructure.Http
                     }
                 }
             }
-            catch (Exception e)
+            catch (System.Exception e)
             {
                 Logger.Log.Error(e);
                 return string.Empty;

Wox.Infrastructure/Logger/Log.cs

@@ -1,5 +1,6 @@
-using System;
+using System.Diagnostics;
 using NLog;
+using Wox.Infrastructure.Exception;
 
 namespace Wox.Infrastructure.Logger
 {
@@ -7,34 +8,45 @@ namespace Wox.Infrastructure.Logger
     {
         private static NLog.Logger logger = LogManager.GetCurrentClassLogger();
 
-        public static void Error(string msg)
+        public static void Error(System.Exception e)
         {
-            logger.Error(msg);
+#if DEBUG
-        }
+            throw e;
-
+#else
-        public static void Error(Exception e)
+            while (e.InnerException != null)
-        {
+            {
-            logger.Error(e.Message + "\r\n" + e.StackTrace);
+                logger.Error(e.Message);
+                logger.Error(e.StackTrace);
+                e = e.InnerException;
+            }
+#endif
         }
 
         public static void Debug(string msg)
         {
+            System.Diagnostics.Debug.WriteLine($"DEBUG: {msg}");
             logger.Debug(msg);
         }
 
         public static void Info(string msg)
         {
+            System.Diagnostics.Debug.WriteLine($"INFO: {msg}");
             logger.Info(msg);
         }
 
         public static void Warn(string msg)
         {
+            System.Diagnostics.Debug.WriteLine($"WARN: {msg}");
             logger.Warn(msg);
         }
 
-        public static void Fatal(string msg)
+        public static void Fatal(System.Exception e)
         {
-            logger.Fatal(msg);
+#if DEBUG
+            throw e;
+#else
+            logger.Fatal(ExceptionFormatter.FormatExcpetion(e));
+#endif
         }
     }
 }

Wox.Infrastructure/Stopwatch.cs

@@ -18,14 +18,6 @@ namespace Wox.Infrastructure
 #endif
         }
 
-        [Conditional("DEBUG")]
-        private static void WriteTimeInfo(string name, long milliseconds)
-        {
-            string info = $"{name} : {milliseconds}ms";
-            System.Diagnostics.Debug.WriteLine(info);
-            Log.Info(info);
-        }
-
         /// <summary>
         /// This stopwatch will also appear only in Debug mode
         /// </summary>
@@ -36,7 +28,8 @@ namespace Wox.Infrastructure
             action();
             stopWatch.Stop();
             var milliseconds = stopWatch.ElapsedMilliseconds;
-            WriteTimeInfo(name, milliseconds);
+            string info = $"{name} : {milliseconds}ms";
+            Log.Debug(info);
             return milliseconds;
         }
 

Wox.Infrastructure/Storage/BinaryStorage.cs

@@ -42,7 +42,7 @@ namespace Wox.Infrastructure.Storage
                             serializedObject = LoadDefault();
 #if (DEBUG)
                             {
-                                throw new Exception("deserialize failed");
+                                throw new System.Exception("deserialize failed");
                             }
 #endif
                         }
@@ -53,7 +53,7 @@ namespace Wox.Infrastructure.Storage
                     }
                 }
             }
-            catch (Exception e)
+            catch (System.Exception e)
             {
                 Log.Error(e);
                 serializedObject = LoadDefault();
@@ -101,7 +101,7 @@ namespace Wox.Infrastructure.Storage
                         binaryFormatter.Serialize(fileStream, serializedObject);
                         fileStream.Close();
                     }
-                    catch (Exception e)
+                    catch (System.Exception e)
                     {
                         Log.Error(e);
 #if (DEBUG)

Wox.Infrastructure/Storage/JsonStorage.cs

@@ -25,7 +25,7 @@ namespace Wox.Infrastructure.Storage
                 {
                     serializedObject = JsonConvert.DeserializeObject<T>(json);
                 }
-                catch (Exception)
+                catch (System.Exception)
                 {
                     serializedObject = LoadDefault();
                 }

Wox.Infrastructure/WindowsShellRun.cs

@@ -115,7 +115,7 @@ namespace Wox.Infrastructure
 				        needsCommandLine = peHeaderReader.OptionalHeader64.Subsystem == 3;
 		        }
 
-		        catch (Exception)
+		        catch (System.Exception)
 		        {
 			        // Error reading the headers. We will try to run the command the standard way.
 			        needsCommandLine = false;
@@ -149,7 +149,7 @@ namespace Wox.Infrastructure
             {
                 global::System.Diagnostics.Process.Start(startInfo);
             }
-            catch (Exception e)
+            catch (System.Exception e)
             {
                 if (!startInfo.ErrorDialog)
                     throw e;

Wox.Infrastructure/Wox.Infrastructure.csproj

@@ -46,9 +46,17 @@
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Xml" />
     <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Exception\ExceptionFormatter.cs" />
+    <Compile Include="Exception\WoxException.cs" />
+    <Compile Include="Exception\WoxFatalException.cs" />
+    <Compile Include="Exception\WoxHttpException.cs" />
+    <Compile Include="Exception\WoxI18nException.cs" />
+    <Compile Include="Exception\WoxJsonRPCException.cs" />
+    <Compile Include="Exception\WoxPluginException.cs" />
     <Compile Include="Hotkey\InterceptKeys.cs" />
     <Compile Include="Hotkey\KeyEvent.cs" />
     <Compile Include="Logger\Log.cs" />

Wox.Plugin/Feature.cs

@@ -38,4 +38,17 @@ namespace Wox.Plugin
 
         string GetTranslatedPluginDescription();
     }
+
+    public interface IMultipleActionKeywords
+    {
+        event ActionKeywordsChangedEventHandler ActionKeywordsChanged;
+    }
+
+    public class ActionKeywordsChangedEventArgs : EventArgs
+    {
+        public string OldActionKeyword { get; set; }
+        public string NewActionKeyword { get; set; }
+    }
+
+    public delegate void ActionKeywordsChangedEventHandler(IMultipleActionKeywords sender, ActionKeywordsChangedEventArgs e);
 }

Wox.Plugin/PluginPair.cs

@@ -15,5 +15,24 @@
         {
             return Metadata.Name;
         }
+
+        public override bool Equals(object obj)
+        {
+            PluginPair r = obj as PluginPair;
+            if (r != null)
+            {
+                return string.Equals(r.Metadata.ID, Metadata.ID);
+            }
+            else
+            {
+                return false;
+            }
+        }
+
+        public override int GetHashCode()
+        {
+            var hashcode = Metadata.ID?.GetHashCode() ?? 0;
+            return hashcode;
+        }
     }
 }

Wox.Plugin/Result.cs

@@ -47,7 +47,10 @@ namespace Wox.Plugin
             Result r = obj as Result;
             if (r != null)
             {
-                return string.Equals(r.Title, Title) && string.Equals(r.SubTitle, SubTitle);
+                var equality = string.Equals(r.Title, Title) &&
+                               string.Equals(r.SubTitle, SubTitle) &&
+                               r.Score == Score;
+                return equality;
             }
             else
             {
@@ -57,7 +60,10 @@ namespace Wox.Plugin
 
         public override int GetHashCode()
         {
-            return (Title?.GetHashCode() ?? 0) ^ (SubTitle?.GetHashCode() ?? 0);
+            var hashcode = (Title?.GetHashCode() ?? 0) ^
+                           (SubTitle?.GetHashCode() ?? 0) ^
+                           (Score.GetHashCode());
+            return hashcode;
         }
 
         public override string ToString()

Wox.Test/Plugins/PluginInitTest.cs

@@ -1,6 +1,6 @@
 using NUnit.Framework;
-using Wox.Core.Exception;
 using Wox.Core.Plugin;
+using Wox.Infrastructure.Exception;
 
 namespace Wox.Test.Plugins
 {
@@ -11,7 +11,7 @@ namespace Wox.Test.Plugins
         [Test]
         public void PublicAPIIsNullTest()
         {
-            Assert.Throws(typeof(WoxCritialException), () => PluginManager.Init(null));
+            Assert.Throws(typeof(WoxFatalException), () => PluginManager.Init(null));
         }
     }
 }

Wox/ActionKeywords.xaml.cs

@@ -1,34 +1,34 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Windows;
 using Wox.Core.i18n;
 using Wox.Core.Plugin;
 using Wox.Core.UserSettings;
+using Wox.Infrastructure.Exception;
 using Wox.Plugin;
 
 namespace Wox
 {
     public partial class ActionKeywords : Window
     {
-        private PluginMetadata pluginMetadata;
+        private PluginPair _plugin;
 
         public ActionKeywords(string pluginId)
         {
             InitializeComponent();
-            PluginPair plugin = PluginManager.GetPluginForId(pluginId);
+            _plugin = PluginManager.GetPluginForId(pluginId);
-            if (plugin == null)
+            if (_plugin == null)
             {
                 MessageBox.Show(InternationalizationManager.Instance.GetTranslation("cannotFindSpecifiedPlugin"));
                 Close();
                 return;
             }
-
-            pluginMetadata = plugin.Metadata;
         }
 
         private void ActionKeyword_OnLoaded(object sender, RoutedEventArgs e)
         {
-            tbOldActionKeyword.Text = string.Join(Query.ActionKeywordSeperater, pluginMetadata.ActionKeywords.ToArray());
+            tbOldActionKeyword.Text = string.Join(Query.ActionKeywordSeperater, _plugin.Metadata.ActionKeywords.ToArray());
             tbAction.Focus();
         }
 
@@ -37,42 +37,23 @@ namespace Wox
             Close();
         }
 
-        private void btnDone_OnClick(object sender, RoutedEventArgs e)
+        private void btnDone_OnClick(object sender, RoutedEventArgs _)
         {
-            if (string.IsNullOrEmpty(tbAction.Text))
+            var oldActionKeyword = _plugin.Metadata.ActionKeywords[0];
+            var newActionKeyword = tbAction.Text.Trim();
+            try
             {
-                MessageBox.Show(InternationalizationManager.Instance.GetTranslation("newActionKeywordCannotBeEmpty"));
+                // update in-memory data
+                PluginManager.UpdateActionKeywordForPlugin(_plugin, oldActionKeyword, newActionKeyword);
+            }
+            catch (WoxPluginException e)
+            {
+                MessageBox.Show(e.Message);
                 return;
             }
+            // update persistant data
+            UserSettingStorage.Instance.UpdateActionKeyword(_plugin.Metadata);
 
-            var actionKeywords = tbAction.Text.Trim().Split(new[] { Query.ActionKeywordSeperater }, StringSplitOptions.RemoveEmptyEntries).ToList();
-            //check new action keyword didn't used by other plugin
-            if (actionKeywords[0] != Query.GlobalPluginWildcardSign && PluginManager.AllPlugins.
-                                        SelectMany(p => p.Metadata.ActionKeywords).
-                                        Any(k => actionKeywords.Contains(k)))
-            {
-                MessageBox.Show(InternationalizationManager.Instance.GetTranslation("newActionKeywordHasBeenAssigned"));
-                return;
-            }
-
-
-            pluginMetadata.ActionKeywords = actionKeywords;
-            var customizedPluginConfig = UserSettingStorage.Instance.CustomizedPluginConfigs.FirstOrDefault(o => o.ID == pluginMetadata.ID);
-            if (customizedPluginConfig == null)
-            {
-                UserSettingStorage.Instance.CustomizedPluginConfigs.Add(new CustomizedPluginConfig()
-                {
-                    Disabled = false,
-                    ID = pluginMetadata.ID,
-                    Name = pluginMetadata.Name,
-                    ActionKeywords = actionKeywords
-                });
-            }
-            else
-            {
-                customizedPluginConfig.ActionKeywords = actionKeywords;
-            }
-            UserSettingStorage.Instance.Save();
             MessageBox.Show(InternationalizationManager.Instance.GetTranslation("succeed"));
             Close();
         }

Wox/App.config

@@ -1,13 +1,5 @@
 <?xml version="1.0"?>
 <configuration>
-  <configSections>
-    <section name="exceptionless" type="Exceptionless.Configuration.ExceptionlessSection, Exceptionless" />
-  </configSections>
-  <runtime>
-    <!--http://stackoverflow.com/questions/186854/how-to-prevent-an-exception-in-a-background-thread-from-terminating-an-application-->
-    <!--prevent non-ui exception crash wox-->
-    <legacyUnhandledExceptionPolicy enabled="1" />
-  </runtime>
   <startup>
     <supportedRuntime version="v4.0" />
   </startup>

Wox/App.xaml.cs

@@ -42,7 +42,7 @@ namespace Wox
 
         }
 
-        [Conditional("DEBUG")]
+        [Conditional("RELEASE")]
         private void RegisterUnhandledException()
         {
             // let exception throw as normal is better for Debug

Wox/Helper/ErrorReporting.cs

@@ -1,6 +1,6 @@
 using System;
 using System.Windows.Threading;
-using Wox.Core.Exception;
+using Wox.Infrastructure.Exception;
 using Wox.Infrastructure.Logger;
 
 namespace Wox.Helper
@@ -9,7 +9,7 @@ namespace Wox.Helper
     {
         public static void Report(Exception e)
         {
-            Log.Error(ExceptionFormatter.FormatExcpetion(e));
+            Log.Fatal(e);
             new CrashReporter.CrashReporter(e).Show();
         }
 

Wox/Helper/ListBoxItems.cs

@@ -9,6 +9,7 @@ using Wox.Plugin;
 namespace Wox.Helper
 {
     class ListBoxItems : ObservableCollection<Result>
+    // todo implement custom moveItem,removeItem,insertItem for better performance
     {
         public void RemoveAll(Predicate<Result> predicate)
         {
@@ -17,12 +18,50 @@ namespace Wox.Helper
             List<Result> itemsToRemove = Items.Where(x => predicate(x)).ToList();
             if (itemsToRemove.Count > 0)
             {
+                
                 itemsToRemove.ForEach(item => Items.Remove(item));
 
                 OnPropertyChanged(new PropertyChangedEventArgs("Count"));
                 OnPropertyChanged(new PropertyChangedEventArgs("Item[]"));
-                OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, itemsToRemove));
+                // fuck ms 
+                // http://blogs.msdn.com/b/nathannesbit/archive/2009/04/20/addrange-and-observablecollection.aspx
+                // http://geekswithblogs.net/NewThingsILearned/archive/2008/01/16/listcollectionviewcollectionview-doesnt-support-notifycollectionchanged-with-multiple-items.aspx
+                // PS: don't use Reset for other data updates, it will cause UI flickering
+                OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
             }
         }
+
+        public void Update(List<Result> newItems)
+        {
+            int newCount = newItems.Count;
+            int oldCount = Items.Count;
+            int location = newCount > oldCount ? oldCount : newCount;
+            for (int i = 0; i < location; i++)
+            {
+                Result oldItem = Items[i];
+                Result newItem = newItems[i];
+                if (!Equals(oldItem, newItem))
+                {
+                    this[i] = newItem;
+                }
+            }
+
+            if (newCount > oldCount)
+            {
+                for (int i = oldCount; i < newCount; i++)
+                {
+                    Add(newItems[i]);
+                }
+            }
+            else
+            {
+                int removeIndex = newCount;
+                for (int i = newCount; i < oldCount; i++)
+                {
+                    RemoveAt(removeIndex);
+                }
+            }
+
+        }
     }
 }

Wox/MainWindow.xaml

@@ -14,9 +14,6 @@
         ShowInTaskbar="False"
         Style="{DynamicResource WindowStyle}"
         Icon="Images\app.png">
-    <Window.Resources>
-        <ResourceDictionary Source="/PresentationFramework.Classic,Version=3.0.0.0,Culture=neutral,PublicKeyToken=31bf3856ad364e35,processorArchitecture=MSIL;component/themes/Classic.xaml"/>
-    </Window.Resources>
     <Border Style="{DynamicResource WindowBorderStyle}" MouseDown="Border_OnMouseDown">
         <StackPanel Orientation="Vertical">
             <TextBox Style="{DynamicResource QueryBoxStyle}" PreviewDragOver="TbQuery_OnPreviewDragOver" AllowDrop="True"

Wox/MainWindow.xaml.cs

@@ -32,6 +32,7 @@ using IDataObject = System.Windows.IDataObject;
 using KeyEventArgs = System.Windows.Input.KeyEventArgs;
 using MenuItem = System.Windows.Forms.MenuItem;
 using MessageBox = System.Windows.MessageBox;
+using Stopwatch = Wox.Infrastructure.Stopwatch;
 using ToolTip = System.Windows.Controls.ToolTip;
 
 namespace Wox
@@ -162,7 +163,7 @@ namespace Wox
                 o.PluginID = plugin.ID;
                 o.OriginQuery = query;
             });
-            UpdateResultView(results);
+            UpdateResultView(results, plugin, query);
         }
 
         public void ShowContextMenu(PluginMetadata plugin, List<Result> results)
@@ -176,7 +177,7 @@ namespace Wox
                     o.ContextMenu = null;
                 });
                 pnlContextMenu.Clear();
-                pnlContextMenu.AddResults(results);
+                pnlContextMenu.AddResults(results, plugin.ID);
                 pnlContextMenu.Visibility = Visibility.Visible;
                 pnlResult.Visibility = Visibility.Collapsed;
             }
@@ -418,11 +419,12 @@ namespace Wox
 
         private void QueryContextMenu()
         {
+            var contextMenuId = "Context Menu Id";
             pnlContextMenu.Clear();
             var query = tbQuery.Text.ToLower();
             if (string.IsNullOrEmpty(query))
             {
-                pnlContextMenu.AddResults(CurrentContextMenus);
+                pnlContextMenu.AddResults(CurrentContextMenus, contextMenuId);
             }
             else
             {
@@ -435,32 +437,25 @@ namespace Wox
                         filterResults.Add(contextMenu);
                     }
                 }
-                pnlContextMenu.AddResults(filterResults);
+                pnlContextMenu.AddResults(filterResults, contextMenuId);
             }
         }
 
         private void TbQuery_OnTextChanged(object sender, TextChangedEventArgs e)
         {
-
             if (_ignoreTextChange) { _ignoreTextChange = false; return; }
+
+            toolTip.IsOpen = false;
+            if (IsInContextMenuMode)
+            {
+                QueryContextMenu();
+                return;
+            }
+
             string query = tbQuery.Text.Trim();
             if (!string.IsNullOrEmpty(query))
             {
-                toolTip.IsOpen = false;
-                if (IsInContextMenuMode)
-                {
-                    QueryContextMenu();
-                    return;
-                }
-
                 Query(query);
-                Dispatcher.DelayInvoke("ShowProgressbar", () =>
-                {
-                    if (!string.IsNullOrEmpty(query) && query != _lastQuery.RawQuery && !_queryHasReturn)
-                    {
-                        StartProgress();
-                    }
-                }, TimeSpan.FromMilliseconds(150));
                 //reset query history index after user start new query
                 ResetQueryHistoryIndex();
             }
@@ -472,10 +467,12 @@ namespace Wox
 
         private void ResetQueryHistoryIndex()
         {
+            pnlResult.RemoveResultsFor(QueryHistoryStorage.MetaData);
             QueryHistoryStorage.Instance.Reset();
         }
         private void Query(string text)
         {
+            _queryHasReturn = false;
             var query = PluginManager.QueryInit(text);
             if (query != null)
             {
@@ -486,21 +483,28 @@ namespace Wox
                 {
                     if (!string.IsNullOrEmpty(keyword))
                     {
-                        pnlResult.RemoveResultsExcept(PluginManager.NonGlobalPlugins[keyword]);
+                        pnlResult.RemoveResultsExcept(PluginManager.NonGlobalPlugins[keyword].Metadata);
                     }
                 }
                 else
                 {
                     if (string.IsNullOrEmpty(keyword))
                     {
-                        pnlResult.RemoveResultsFor(PluginManager.NonGlobalPlugins[lastKeyword]);
+                        pnlResult.RemoveResultsFor(PluginManager.NonGlobalPlugins[lastKeyword].Metadata);
                     }
                     else if (lastKeyword != keyword)
                     {
-                        pnlResult.RemoveResultsExcept(PluginManager.NonGlobalPlugins[keyword]);
+                        pnlResult.RemoveResultsExcept(PluginManager.NonGlobalPlugins[keyword].Metadata);
                     }
                 }
                 _lastQuery = query;
+                Dispatcher.DelayInvoke("ShowProgressbar", () =>
+                {
+                    if (!string.IsNullOrEmpty(query.RawQuery) && query.RawQuery == _lastQuery.RawQuery && !_queryHasReturn)
+                    {
+                        StartProgress();
+                    }
+                }, TimeSpan.FromMilliseconds(150));
                 PluginManager.QueryForAllPlugins(query);
             }
             StopProgress();
@@ -737,9 +741,11 @@ namespace Wox
         {
             if (history != null)
             {
+                var historyMetadata = QueryHistoryStorage.MetaData;
                 ChangeQueryText(history.Query, true);
                 var executeQueryHistoryTitle = GetTranslation("executeQuery");
                 var lastExecuteTime = GetTranslation("lastExecuteTime");
+                pnlResult.RemoveResultsExcept(historyMetadata);
                 UpdateResultViewInternal(new List<Result>()
                 {
                     new Result(){
@@ -752,7 +758,7 @@ namespace Wox
                             return false;
                         }
                     }
-                });
+                }, historyMetadata);
             }
         }
 
@@ -833,28 +839,27 @@ namespace Wox
             }
         }
 
-        private void UpdateResultView(List<Result> list)
+        private void UpdateResultView(List<Result> list, PluginMetadata metadata, Query originQuery)
         {
             _queryHasReturn = true;
             progressBar.Dispatcher.Invoke(new Action(StopProgress));
-            if (list == null || list.Count == 0) return;
 
-            if (list.Count > 0)
+            list.ForEach(o =>
             {
-                list.ForEach(o =>
+                o.Score += UserSelectedRecordStorage.Instance.GetSelectedCount(o) * 5;
-                {
+            });
-                    o.Score += UserSelectedRecordStorage.Instance.GetSelectedCount(o) * 5;
+            if (originQuery.RawQuery == _lastQuery.RawQuery)
-                });
+            {
-                List<Result> l = list.Where(o => o.OriginQuery != null && o.OriginQuery.RawQuery == _lastQuery.RawQuery).ToList();
+                UpdateResultViewInternal(list, metadata);
-                UpdateResultViewInternal(l);
             }
         }
 
-        private void UpdateResultViewInternal(List<Result> list)
+        private void UpdateResultViewInternal(List<Result> list, PluginMetadata metadata)
         {
             Dispatcher.Invoke(new Action(() =>
             {
-                pnlResult.AddResults(list);
+                Stopwatch.Normal($"UI update cost for {metadata.Name}",
+                    () => { pnlResult.AddResults(list, metadata.ID); });
             }));
         }
 
@@ -903,7 +908,7 @@ namespace Wox
             textBeforeEnterContextMenuMode = tbQuery.Text;
             ChangeQueryText("");
             pnlContextMenu.Clear();
-            pnlContextMenu.AddResults(results);
+            pnlContextMenu.AddResults(results, result.PluginID);
             CurrentContextMenus = results;
             pnlContextMenu.Visibility = Visibility.Visible;
             pnlResult.Visibility = Visibility.Collapsed;

Wox/ResultPanel.xaml.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Diagnostics;
@@ -21,7 +22,7 @@ namespace Wox
         public event Action<Result> LeftMouseClickEvent;
         public event Action<Result> RightMouseClickEvent;
         public event Action<Result, IDataObject, DragEventArgs> ItemDropEvent;
-        private readonly ListBoxItems _results; //todo, for better performance, override the default linear search
+        private readonly ListBoxItems _results;
         private readonly object _resultsUpdateLock = new object();
 
         protected virtual void OnRightMouseClick(Result result)
@@ -39,75 +40,74 @@ namespace Wox
 
         public int MaxResultsToShow { get { return UserSettingStorage.Instance.MaxResultsToShow * 50; } }
 
-        internal void RemoveResultsFor(PluginPair plugin)
+        internal void RemoveResultsFor(PluginMetadata metadata)
         {
             lock (_resultsUpdateLock)
             {
-                _results.RemoveAll(r => r.PluginID == plugin.Metadata.ID);
+                _results.RemoveAll(r => r.PluginID == metadata.ID);
             }
         }
 
-        internal void RemoveResultsExcept(PluginPair plugin)
+        internal void RemoveResultsExcept(PluginMetadata metadata)
         {
             lock (_resultsUpdateLock)
             {
-                _results.RemoveAll(r => r.PluginID != plugin.Metadata.ID);
+                _results.RemoveAll(r => r.PluginID != metadata.ID);
             }
         }
 
-
+        public void AddResults(List<Result> newResults, string resultId)
-
-
-        public void AddResults(List<Result> newResults)
         {
-            if (newResults != null && newResults.Count > 0)
+            lock (_resultsUpdateLock)
             {
-                lock (_resultsUpdateLock)
+                var resultCopy = _results.ToList();
+                var oldResults = resultCopy.Where(r => r.PluginID == resultId).ToList();
+                // intersection of A (old results) and B (new newResults)
+                var intersection = oldResults.Intersect(newResults).ToList();
+                // remove result of relative complement of B in A
+                foreach (var result in oldResults.Except(intersection))
                 {
-                    var pluginId = newResults[0].PluginID;
+                    resultCopy.Remove(result);
-                    var oldResults = _results.Where(r => r.PluginID == pluginId).ToList();
-                    // intersection of A (old results) and B (new newResults)
-                    var intersection = oldResults.Intersect(newResults).ToList();
-
-                    // remove result of relative complement of B in A
-                    foreach (var result in oldResults.Except(intersection))
-                    {
-                        _results.Remove(result);
-                    }
-
-                    // update scores
-                    foreach (var result in newResults)
-                    {
-                        if (IsTopMostResult(result))
-                        {
-                            result.Score = int.MaxValue;
-                        }
-                    }
-
-                    // update index for result in intersection of A and B
-                    foreach (var result in intersection)
-                    {
-                        int oldIndex = _results.IndexOf(result);
-                        int oldScore = _results[oldIndex].Score;
-                        if (result.Score != oldScore)
-                        {
-                            int newIndex = InsertIndexOf(result.Score);
-                            if (newIndex != oldIndex)
-                            {
-                                _results.Move(oldIndex, newIndex);
-                            }
-                        }
-                    }
-
-                    // insert result in relative complement of A in B
-                    foreach (var result in newResults.Except(intersection))
-                    {
-                        int newIndex = InsertIndexOf(result.Score);
-                        _results.Insert(newIndex, result);
-                    }
-                    lbResults.Margin = lbResults.Items.Count > 0 ? new Thickness { Top = 8 } : new Thickness { Top = 0 };
-                    SelectFirst();
                 }
+
+                // update scores
+                foreach (var result in newResults)
+                {
+                    if (IsTopMostResult(result))
+                    {
+                        result.Score = int.MaxValue;
+                    }
+                }
+
+                // update index for result in intersection of A and B
+                foreach (var result in intersection)
+                {
+                    int oldIndex = resultCopy.IndexOf(result);
+                    int oldScore = resultCopy[oldIndex].Score;
+                    if (result.Score != oldScore)
+                    {
+                        int newIndex = InsertIndexOf(result.Score, resultCopy);
+                        if (newIndex != oldIndex)
+                        {
+                            var item = resultCopy[oldIndex];
+                            resultCopy.RemoveAt(oldIndex);
+                            resultCopy.Insert(newIndex, item);
+                        }
+                    }
+                }
+
+                // insert result in relative complement of A in B
+                foreach (var result in newResults.Except(intersection))
+                {
+                    int newIndex = InsertIndexOf(result.Score, resultCopy);
+                    resultCopy.Insert(newIndex, result);
+                }
+
+                // update UI in one run, so it can avoid UI flickering
+                _results.Update(resultCopy);
+
+                lbResults.Margin = lbResults.Items.Count > 0 ? new Thickness { Top = 8 } : new Thickness { Top = 0 };
+                SelectFirst();
             }
         }
 
@@ -116,13 +116,13 @@ namespace Wox
             return TopMostRecordStorage.Instance.IsTopMost(result);
         }
 
-        private int InsertIndexOf(int newScore)
+        private int InsertIndexOf(int newScore, IList<Result> list)
         {
             int index = 0;
-            for (; index < lbResults.Items.Count; index++)
+            for (; index < list.Count; index++)
             {
-                Result result = lbResults.Items[index] as Result;
+                var result = list[index];
-                if (newScore > result?.Score)
+                if (newScore > result.Score)
                 {
                     break;
                 }

Wox/SettingWindow.xaml

@@ -106,9 +106,7 @@
                                     <CheckBox x:Name="cbDisablePlugin" Click="CbDisablePlugin_OnClick">
                                         <TextBlock Text="{DynamicResource disable}"></TextBlock>
                                     </CheckBox>
-                                    <TextBlock x:Name="pluginActionKeywordsTitle" Margin="20 0 0 0">
+                                    <TextBlock x:Name="pluginActionKeywordsTitle" Margin="20 0 0 0" Text="{DynamicResource actionKeywords}" />
-                                        <TextBlock Text="{DynamicResource actionKeywords}"></TextBlock>
-                                    </TextBlock>
                                     <TextBlock Margin="5 0 0 0" ToolTip="Change Action Keywords" Cursor="Hand" MouseUp="PluginActionKeywords_OnMouseUp" Foreground="Blue" Text="keys" x:Name="pluginActionKeywords"></TextBlock>
                                     <TextBlock Margin="10 0 0 0" Text="Init time: 0ms" x:Name="pluginInitTime"></TextBlock>
                                     <TextBlock Margin="10 0 0 0" Text="Query time: 0ms" x:Name="pluginQueryTime"></TextBlock>
@@ -144,9 +142,6 @@
                     </Grid.ColumnDefinitions>
                     <StackPanel x:Name="PreviewPanel" Grid.Row="0" Margin="0">
                         <StackPanel x:Name="PreviewMainPanel" Orientation="Horizontal" Margin="10" HorizontalAlignment="Center" VerticalAlignment="Center">
-                            <StackPanel.Resources>
-                                <ResourceDictionary Source="/PresentationFramework.Classic,Version=3.0.0.0,Culture=neutral,PublicKeyToken=31bf3856ad364e35,processorArchitecture=MSIL;component/themes/Classic.xaml"/>
-                            </StackPanel.Resources>
                             <Border Width="500" Style="{DynamicResource WindowBorderStyle}">
                                 <Grid>
                                     <Grid.RowDefinitions>
@@ -231,7 +226,7 @@
                                         </DataTemplate>
                                     </GridViewColumn.CellTemplate>
                                 </GridViewColumn>
-                                <GridViewColumn Header="{DynamicResource actionKeyword}" Width="500">
+                                <GridViewColumn Header="{DynamicResource actionKeywords}" Width="500">
                                     <GridViewColumn.CellTemplate>
                                         <DataTemplate>
                                             <TextBlock Text="{Binding ActionKeywords}"/>

Wox/SettingWindow.xaml.cs

@@ -17,7 +17,7 @@ using Wox.Core.Theme;
 using Wox.Core.Updater;
 using Wox.Core.UserSettings;
 using Wox.Helper;
-using Wox.Infrastructure;
+using Wox.Infrastructure.Exception;
 using Wox.Plugin;
 using Application = System.Windows.Forms.Application;
 using Stopwatch = Wox.Infrastructure.Stopwatch;
@@ -188,23 +188,6 @@ namespace Wox
             {
                 OnHotkeyTabSelected();
             }
-
-            // save multiple action keywords settings, todo: this hack is ugly
-            var tab = e.RemovedItems.Count > 0 ? e.RemovedItems[0] : null;
-            if (ReferenceEquals(tab, tabPlugin))
-            {
-                var metadata = (lbPlugins.SelectedItem as PluginPair)?.Metadata;
-                if (metadata != null)
-                {
-                    var customizedPluginConfig = UserSettingStorage.Instance.CustomizedPluginConfigs.FirstOrDefault(o => o.ID == metadata.ID);
-                    if (customizedPluginConfig != null && !customizedPluginConfig.Disabled)
-                    {
-                        customizedPluginConfig.ActionKeywords = metadata.ActionKeywords;
-                        UserSettingStorage.Instance.Save();
-                    }
-
-                }
-            }
         }
 
         #region General
@@ -429,7 +412,7 @@ namespace Wox
                     IcoPath = "Images/app.png",
                     PluginDirectory = Path.GetDirectoryName(Application.ExecutablePath)
                 }
-            });
+            }, "test id");
 
             foreach (string theme in ThemeManager.Theme.LoadAvailableThemes())
             {
@@ -535,50 +518,64 @@ namespace Wox
 
         #region Plugin
 
-        private void lbPlugins_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
+        private void lbPlugins_OnSelectionChanged(object sender, SelectionChangedEventArgs _)
         {
-            ISettingProvider provider = null;
+
             var pair = lbPlugins.SelectedItem as PluginPair;
             string pluginId = string.Empty;
-
+            List<string> actionKeywords = null;
-            if (pair != null)
+            if (pair == null) return;
+            actionKeywords = pair.Metadata.ActionKeywords;
+            pluginAuthor.Visibility = Visibility.Visible;
+            pluginInitTime.Text =
+                string.Format(InternationalizationManager.Instance.GetTranslation("plugin_init_time"), pair.InitTime);
+            pluginQueryTime.Text =
+                string.Format(InternationalizationManager.Instance.GetTranslation("plugin_query_time"), pair.AvgQueryTime);
+            if (actionKeywords.Count > 1)
             {
-                provider = pair.Plugin as ISettingProvider;
+                pluginActionKeywordsTitle.Visibility = Visibility.Collapsed;
-                pluginAuthor.Visibility = Visibility.Visible;
+                pluginActionKeywords.Visibility = Visibility.Collapsed;
-                pluginInitTime.Text =
-                    string.Format(InternationalizationManager.Instance.GetTranslation("plugin_init_time"), pair.InitTime);
-                pluginQueryTime.Text =
-                    string.Format(InternationalizationManager.Instance.GetTranslation("plugin_query_time"), pair.AvgQueryTime);
-                if (pair.Metadata.ActionKeywords.Count > 1)
-                {
-                    pluginActionKeywordsTitle.Visibility = Visibility.Collapsed;
-                    pluginActionKeywords.Visibility = Visibility.Collapsed;
-                }
-                else
-                {
-                    pluginActionKeywordsTitle.Visibility = Visibility.Visible;
-                    pluginActionKeywords.Visibility = Visibility.Visible;
-                }
-                tbOpenPluginDirecoty.Visibility = Visibility.Visible;
-                pluginTitle.Text = pair.Metadata.Name;
-                pluginTitle.Cursor = Cursors.Hand;
-                pluginActionKeywords.Text = string.Join(Query.ActionKeywordSeperater, pair.Metadata.ActionKeywords.ToArray());
-                pluginAuthor.Text = InternationalizationManager.Instance.GetTranslation("author") + ": " + pair.Metadata.Author;
-                pluginSubTitle.Text = pair.Metadata.Description;
-                pluginId = pair.Metadata.ID;
-                pluginIcon.Source = ImageLoader.ImageLoader.Load(pair.Metadata.FullIcoPath);
             }
+            else
+            {
+                pluginActionKeywordsTitle.Visibility = Visibility.Visible;
+                pluginActionKeywords.Visibility = Visibility.Visible;
+            }
+            tbOpenPluginDirecoty.Visibility = Visibility.Visible;
+            pluginTitle.Text = pair.Metadata.Name;
+            pluginTitle.Cursor = Cursors.Hand;
+            pluginActionKeywords.Text = string.Join(Query.ActionKeywordSeperater, actionKeywords.ToArray());
+            pluginAuthor.Text = InternationalizationManager.Instance.GetTranslation("author") + ": " + pair.Metadata.Author;
+            pluginSubTitle.Text = pair.Metadata.Description;
+            pluginId = pair.Metadata.ID;
+            pluginIcon.Source = ImageLoader.ImageLoader.Load(pair.Metadata.FullIcoPath);
 
             var customizedPluginConfig = UserSettingStorage.Instance.CustomizedPluginConfigs.FirstOrDefault(o => o.ID == pluginId);
             cbDisablePlugin.IsChecked = customizedPluginConfig != null && customizedPluginConfig.Disabled;
 
             PluginContentPanel.Content = null;
-            if (provider != null)
+            var settingProvider = pair.Plugin as ISettingProvider;
+            if (settingProvider != null)
             {
-                Control control = null;
+                Control control;
-                if (!featureControls.TryGetValue(provider, out control))
+                if (!featureControls.TryGetValue(settingProvider, out control))
-                    featureControls.Add(provider, control = provider.CreateSettingPanel());
+                {
+                    var multipleActionKeywordsProvider = settingProvider as IMultipleActionKeywords;
+                    if (multipleActionKeywordsProvider != null)
+                    {
+                        multipleActionKeywordsProvider.ActionKeywordsChanged += (o, e) =>
+                        {
+                            // update in-memory data
+                            PluginManager.UpdateActionKeywordForPlugin(pair, e.OldActionKeyword, e.NewActionKeyword);
+                            // update persistant data
+                            UserSettingStorage.Instance.UpdateActionKeyword(pair.Metadata);
 
+                            MessageBox.Show(InternationalizationManager.Instance.GetTranslation("succeed"));
+                        };
+                    }
+
+                    featureControls.Add(settingProvider, control = settingProvider.CreateSettingPanel());
+                }
                 PluginContentPanel.Content = control;
                 control.HorizontalAlignment = HorizontalAlignment.Stretch;
                 control.VerticalAlignment = VerticalAlignment.Stretch;

Wox/Storage/QueryHistoryStorage.cs

@@ -5,6 +5,7 @@ using System.Linq;
 using System.Reflection;
 using Newtonsoft.Json;
 using Wox.Infrastructure.Storage;
+using Wox.Plugin;
 
 namespace Wox.Storage
 {
@@ -16,6 +17,9 @@ namespace Wox.Storage
         private int MaxHistory = 300;
         private int cursor = 0;
 
+        public static PluginMetadata MetaData { get; } = new PluginMetadata
+            { ID = "Query history", Name = "Query history" };
+
         protected override string ConfigFolder
         {
             get { return Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Config"); }
@@ -77,7 +81,7 @@ namespace Wox.Storage
             return History.OrderByDescending(o => o.ExecutedDateTime).ToList();
         }
     }
-    
+
     public class HistoryItem
     {
         public string Query { get; set; }

Wox/Wox.csproj

@@ -48,7 +48,7 @@
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>..\Output\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
+    <DefineConstants>TRACE;RELEASE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
@@ -295,7 +295,9 @@
       <Generator>ResXFileCodeGenerator</Generator>
       <LastGenOutput>Resources.Designer.cs</LastGenOutput>
     </EmbeddedResource>
-    <None Include="App.config" />
+    <None Include="App.config">
+      <SubType>Designer</SubType>
+    </None>
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
@@ -320,9 +322,6 @@
       <Name>Wox.Plugin</Name>
     </ProjectReference>
   </ItemGroup>
-  <ItemGroup>
-    <WCFMetadata Include="Service References\" />
-  </ItemGroup>
   <ItemGroup>
     <Service Include="{508349B6-6B84-4DF5-91F0-309BEEBAD82D}" />
   </ItemGroup>
@@ -379,7 +378,6 @@ cd "$(TargetDir)Plugins" &amp; del /s /q NAppUpdate.Framework.dll
 cd "$(TargetDir)Plugins" &amp; del /s /q Wox.Infrastructure.dll
 cd "$(TargetDir)Plugins" &amp; del /s /q Wox.Infrastructure.pdb
 cd "$(TargetDir)Plugins" &amp; del /s /q Newtonsoft.Json.dll
-cd "$(TargetDir)Plugins" &amp; del /s /q WindowsInput.dll
 )</PostBuildEvent>
   </PropertyGroup>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it.