[fxcop] Settings UI library (part 4) - project/namespace renames (#7403)

* Rename Interface to Interfaces in namespaces

* Rename Lib to Library in namespaces

* Rename project and directory and enable fxcop

* Add CA2213 suppression

* Minor fixes

src/core/Microsoft.PowerToys.Settings.UI.Library/Utilities/Logger.cs

@@ -0,0 +1,65 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Diagnostics;
+using System.Globalization;
+using System.IO;
+
+namespace Microsoft.PowerToys.Settings.UI.Library.Utilities
+{
+    public static class Logger
+    {
+        private static readonly string ApplicationLogPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Microsoft\\PowerToys\\Settings Logs");
+
+        static Logger()
+        {
+            if (!Directory.Exists(ApplicationLogPath))
+            {
+                Directory.CreateDirectory(ApplicationLogPath);
+            }
+
+            var logFilePath = Path.Combine(ApplicationLogPath, "Log_" + DateTime.Now.ToString(@"yyyy-MM-dd", CultureInfo.InvariantCulture) + ".txt");
+
+            Trace.Listeners.Add(new TextWriterTraceListener(logFilePath));
+
+            Trace.AutoFlush = true;
+        }
+
+        public static void LogInfo(string message)
+        {
+            Log(message, "INFO");
+        }
+
+        public static void LogError(string message, Exception e)
+        {
+            Log(
+                message + Environment.NewLine +
+                e?.Message + Environment.NewLine +
+                "Inner exception: " + Environment.NewLine +
+                e?.InnerException?.Message + Environment.NewLine +
+                "Stack trace: " + Environment.NewLine +
+                e?.StackTrace,
+                "ERROR");
+        }
+
+        private static void Log(string message, string type)
+        {
+            Trace.WriteLine(type + ": " + DateTime.Now.TimeOfDay);
+            Trace.Indent();
+            Trace.WriteLine(GetCallerInfo());
+            Trace.WriteLine(message);
+            Trace.Unindent();
+        }
+
+        private static string GetCallerInfo()
+        {
+            StackTrace stackTrace = new StackTrace();
+
+            var methodName = stackTrace.GetFrame(3)?.GetMethod();
+            var className = methodName?.DeclaringType.Name;
+            return "[Method]: " + methodName?.Name + " [Class]: " + className;
+        }
+    }
+}