#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
if (e.Button == MouseButtons.Left)
ismouseDown = false;
}
}
#endregion