Framework changed to WPF

Only the basic window frame is implemented.
Adjusted the structure of resource files.

Source/GrasscutterTools/Interfaces/IPageCommand.cs

@@ -0,0 +1,11 @@
+using System;
+
+using GrasscutterTools.Events;
+
+namespace GrasscutterTools.Interfaces
+{
+    public interface IPageCommand
+    {
+        event EventHandler<CommandGeneratedEventArgs> CommandGenerated;
+    }
+}

Source/GrasscutterTools/Interfaces/IPageListProvider.cs

@@ -0,0 +1,31 @@
+using GrasscutterTools.Models;
+
+namespace GrasscutterTools.Interfaces
+{
+    /// <summary>
+    /// 带列表的页面接口
+    /// </summary>
+    public interface IPageListProvider
+    {
+        /// <summary>
+        /// 列表项选中时触发
+        /// </summary>
+        /// <param name="item">列表项</param>
+        void OnListItemSelected(GameItem item);
+
+        /// <summary>
+        /// 列表源
+        /// </summary>
+        GameItems ListSource { get; }
+
+        /// <summary>
+        /// 是否可以分组
+        /// </summary>
+        bool CanGroup { get; }
+
+        /// <summary>
+        /// 类别
+        /// </summary>
+        string[] Categories { get; }
+    }
+}