优化更新代码，添加界面功能并整合

WPFluent/Interop/WinDef/POINT.cs

@@ -0,0 +1,37 @@
+
+
+
+/* This Source Code is partially based on reverse engineering of the Windows Operating System,
+   and is intended for use on Windows systems only.
+   This Source Code is partially based on the source code provided by the .NET Foundation. */
+
+using System.Runtime.InteropServices;
+
+namespace WPFluent.Interop.WinDef;
+
+// ReSharper disable InconsistentNaming
+#pragma warning disable SA1307 // Accessible fields should begin with upper-case letter
+
+/// <summary>
+/// The POINT structure defines the x- and y-coordinates of a point.
+/// </summary>
+[StructLayout(LayoutKind.Sequential)]
+public struct POINT
+{
+    public POINT(int x, int y)
+    {
+        this.x = x;
+        this.y = y;
+    }
+    /// <summary>
+    /// Specifies the x-coordinate of the point.
+    /// </summary>
+    public int x;
+
+    /// <summary>
+    /// Specifies the y-coordinate of the point.
+    /// </summary>
+    public int y;
+}
+
+#pragma warning restore SA1307 // Accessible fields should begin with upper-case letter