C#WinForm無邊框窗體移動方法、模仿鼠標單擊標題欄移動窗體位置

這里介紹倆種辦法

方法一：直接通過修改窗體位置從而達到移動窗體的效果

方法二：直接偽裝發送單擊任務欄消息，讓應用程序誤以為單擊任務欄從而移動窗體

新建窗體用於測試

方法一

1.定義一個位置信息Point用於存儲鼠標位置

1         private Point mPoint;

2.給窗體等控件增加MouseDown和MouseMove事件

/// <summary>
        /// 鼠標按下
        /// </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>
        /// 鼠標移動
        /// </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.引入下面代碼前提需要引入命名空間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;//定義鼠標左鍵按下
        private const int HTCAPTION = 2;

2.增加鼠標按下事件發送消息，讓系統誤以為按下是標題欄

/// <summary>
        /// 鼠標按下
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void panel1_MouseDown(object sender, MouseEventArgs e)
        {
            //為當前應用程序釋放鼠標捕獲
            ReleaseCapture();
            //發送消息 讓系統誤以為在標題欄上按下鼠標
            SendMessage((IntPtr)this.Handle, VM_NCLBUTTONDOWN, HTCAPTION, 0);
        }