优化更新代码，添加界面功能并整合

WPFluent/Controls/TypedEventHandler.cs

@@ -0,0 +1,27 @@
+
+
+
+/* Based on Windows UI Library
+   Copyright(c) Microsoft Corporation.All rights reserved. */
+
+namespace WPFluent.Controls;
+
+
+/// <summary>
+/// Represents a method that handles general events.
+/// </summary>
+/// <typeparam name="TSender">The type of the sender.</typeparam>
+/// <typeparam name="TArgs">The type of the event data.</typeparam>
+/// <param name="sender">The source of the event.</param>
+/// <param name="args">An object that contains the event data.</param>
+
+/// <summary>
+/// Represents a method that handles general events.
+/// </summary>
+/// <typeparam name="TSender">The type of the sender.</typeparam>
+/// <typeparam name="TArgs">The type of the event data.</typeparam>
+/// <param name="sender">The source of the event.</param>
+/// <param name="args">An object that contains the event data.</param>
+public delegate void TypedEventHandler<in TSender, in TArgs>(TSender sender, TArgs args)
+    where TSender : DependencyObject
+    where TArgs : RoutedEventArgs;