structure change

WinAlfred/Commands/SystemCommand.cs

@@ -2,15 +2,38 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using System.Threading;
 using WinAlfred.Plugin;
+using WinAlfred.PluginLoader;
 
 namespace WinAlfred.Commands
 {
-    public class SystemCommand
+    public class SystemCommand : BaseCommand
     {
-        public void Dispatch(Query query)
+        private List<PluginPair> systemPlugins;
+
+        public SystemCommand(MainWindow window)
+            : base(window)
         {
-            
+            systemPlugins = Plugins.AllPlugins.Where(o => o.Metadata.PluginType == PluginType.System).ToList();
+        }
+
+        public override void Dispatch(Query query)
+        {
+            foreach (PluginPair pair in systemPlugins)
+            {
+                PluginPair pair1 = pair;
+                ThreadPool.QueueUserWorkItem(state =>
+                {
+                    List<Result> results = pair1.Plugin.Query(query);
+                    foreach (Result result in results)
+                    {
+                        result.PluginDirectory = pair1.Metadata.PluginDirecotry;
+                        result.OriginQuery = query;
+                    }
+                    UpdateResultView(results);
+                });
+            }
         }
     }
 }