更新

WPFDark/Internals/GuiHelper.cs

@@ -0,0 +1,24 @@
+using System.Runtime.InteropServices;
+
+namespace WPFDark.Internals
+{
+    internal static class GuiHelper
+    {
+        public static void ShowCursor()
+        {
+            while (ShowCursor(true) < 0)
+            {
+            }
+        }
+
+        public static void HideCursor()
+        {
+            while (ShowCursor(false) >= 0)
+            {
+            }
+        }
+
+        [DllImport("user32.dll")]
+        private static extern int ShowCursor(bool bShow);
+    }
+}