设置鼠标可以移动窗体

#region 设置鼠标可以移动

private bool ismouseDown = false;//判断是否按下鼠标

private Point mouseOffset;//记录鼠标坐标

private void Login_MouseDown(object sender, MouseEventArgs e)

{

int xOffset; //定义X坐标

int yOffset; //定义Y坐标

if (e.Button == MouseButtons.Left)

{ //如果鼠标的左键点击了，则将坐标分别进行相应的移动

xOffset = -e.X;

yOffset = -e.Y;

mouseOffset = new Point(xOffset, yOffset);

ismouseDown = true; //将mousedowm变量置为true，说明mousedown了

}

}

private void Login_MouseMove(object sender, MouseEventArgs e)

{

//如果鼠标移动了

if (ismouseDown)

{

//获取坐标的位置

Point MousePos = Control.MousePosition;

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

Location = MousePos; //此时获取的坐标的值即为鼠标的坐标

}

}

private void Login_MouseUp(object sender, MouseEventArgs e)

{

//如果鼠标按键松开了，则将mousedown属性置为false，说明鼠标的左键已经松开

if (e.Button == MouseButtons.Left)

ismouseDown = false;

}

}

#endregion