点击窗体任意部分拖动窗体实现方法

bool IsDown;Point StartPoint;

private void frmMain_MouseDown(object sender, MouseEventArgs e)        {            IsDown = true;            StartPoint = e.Location;        } private void frmMain_MouseMove(object sender, MouseEventArgs e)        {            if (IsDown == true && e.Button == MouseButtons.Left)            {                this.Location += new Size(e.X - StartPoint.X, e.Y - StartPoint.Y);            }        }