設定滑鼠可以移動窗體

       #region 設定滑鼠可以移動

        private bool ismouseDown = false;//判斷是否按下滑鼠

        private Point mouseOffset;//記錄滑鼠坐标

        private void Login_MouseDown(object sender, MouseEventArgs e)

        {

            int xOffset;   //定義X坐标

            int yOffset;   //定義Y坐标

            if (e.Button == MouseButtons.Left)

            {   //如果滑鼠的左鍵點選了，則将坐标分别進行相應的移動

                xOffset = -e.X;

                yOffset = -e.Y;

                mouseOffset = new Point(xOffset, yOffset);

                ismouseDown = true;   //将mousedowm變量置為true，說明mousedown了

            }

        }

        private void Login_MouseMove(object sender, MouseEventArgs e)

            //如果滑鼠移動了

            if (ismouseDown)

            {

                //擷取坐标的位置

                Point MousePos = Control.MousePosition;

                MousePos.Offset(mouseOffset.X, mouseOffset.Y);

                Location = MousePos;  //此時擷取的坐标的值即為滑鼠的坐标

        private void Login_MouseUp(object sender, MouseEventArgs e)

            //如果滑鼠按鍵松開了，則将mousedown屬性置為false，說明滑鼠的左鍵已經松開

                ismouseDown = false;

    } 

        #endregion

本文轉自蓬萊仙羽51CTO部落格，原文連結：http://blog.51cto.com/dingxiaowei/1366802，如需轉載請自行聯系原作者