鼠标活动区域限制

     //限制鼠标活动区域
        private void button1_Click(object sender, EventArgs e)
        {
            this.Cursor = new Cursor(Cursor.Current.Handle);//创建Cursor对象
            Cursor.Position = new Point(Cursor.Position.X, Cursor.Position.Y);//设置鼠标位置
            Cursor.Clip = new Rectangle(this.Location,this.Size);//设置鼠标活动区域
        }
        //解除对鼠标活动区域的限制
        private void button2_Click(object sender, EventArgs e)
        {
            Screen[] screens = Screen.AllScreens;//获取显示的数组
            this.Cursor = new Cursor(Cursor.Current.Handle);//创建Cursor对象
            Cursor.Clip = screens[0].Bounds;//解除对鼠标活动区域的限制

        }