C#WinForm无边框窗体移动方法、模仿鼠标单击标题栏移动窗体位置

这里介绍俩种办法

方法一：直接通过修改窗体位置从而达到移动窗体的效果

方法二：直接伪装发送单击任务栏消息，让应用程序误以为单击任务栏从而移动窗体

 方法一：

        1.定义一个位置信息Point用于存储鼠标位置

 private Point mPoint;

        2.给窗体等控件增加MouseDown和MouseMove事件

/// <summary>
        /// 鼠标按下
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void panel1_MouseDown(object sender, MouseEventArgs e)
        {
            mPoint = new Point(e.X, e.Y);
        }

        /// <summary>
        /// 鼠标移动
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void panel1_MouseMove(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                this.Location = new Point(this.Location.X + e.X - mPoint.X, this.Location.Y + e.Y - mPoint.Y);
            }
        }

方法二：

   1.引入下面代码 前提需要引入命名空间using System.Runtime.InteropServices

[DllImport("user32.dll")]
        public static extern bool ReleaseCapture();

        [DllImport("user32.dll")]
        public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);

        private const int VM_NCLBUTTONDOWN = 0XA1;//定义鼠标左键按下
        private const int HTCAPTION = 2;

   2.增加鼠标按下事件发送消息，让系统误以为按下是标题栏

/// <summary>
        /// 鼠标按下
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void panel1_MouseDown(object sender, MouseEventArgs e)
        {
            //为当前应用程序释放鼠标捕获
            ReleaseCapture();
            //发送消息 让系统误以为在标题栏上按下鼠标
            SendMessage((IntPtr)this.Handle, VM_NCLBUTTONDOWN, HTCAPTION, 0);
        }