protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (!base.DesignMode)
{
if (canMoveParent || canMoveSelf)
{
IntPtr handle = canMoveParent ? Tools.GetParent(this).Handle : (canMoveSelf ? this.Handle : IntPtr.Zero);
//释放鼠标焦点捕获
NativeMethods.ReleaseCapture();
//向当前窗体发送拖动消息
NativeMethods.SendMessage(handle, 0x0112, 0xF011, 0);
}
}
}