C#運行時滑鼠行動控制項 - 調用Windows API（ReleaseCapture）

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        [System.Runtime.InteropServices.DllImport("user32.dll")]        public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);        [System.Runtime.InteropServices.DllImport("user32.dll")]        public static extern bool ReleaseCapture();        private void MoveControl(Control sender, MouseEventArgs e)        {            if (e.Button == MouseButtons.Left && e.Clicks == 1)            {                ReleaseCapture();                SendMessage(sender.Handle, 161, 2, 0);                SendMessage(sender.Handle, 0x0202, 0, 0);            }            else            {                //添加雙擊或右擊代碼……            }        }        private void button3_MouseDown(object sender, MouseEventArgs e)        {            MoveControl(sender as Control, e);        }

 

C#運行時滑鼠行動控制項 - 調用Windows API（ReleaseCapture）