请问这个函数的作用是什么:mousePos.Offset(mouseOffset.X, mouseOffset.Y);
这句怎么解释:mouseOffset = new Point(-e.X, -e.Y);为何参数为负?
移动时鼠标会自动跳到标题栏啊,能不能再完善点?想它还留在按钮上啊。
请解释,谢谢!
mousePos.Offset(mouseOffset.X, mouseOffset.Y)是将mousePos平移指定的量
不好意思,你说要在按钮上做窗体拖动事件就不能用上面的代码了,应为按钮的点击事件没有相应的坐标信息,但还是有办法的,看代码:
bool beginMove = false;
int currentXPosition = 0;
int currentYPosition = 0;
private void Button_MouseDown(object sender, MouseEventArgs e)
{
beginMove = true;
currentXPosition = MousePosition.X;
currentYPosition = MousePosition.Y;
}
private void Button_MouseMove(object sender, MouseEventArgs e)
{
if (beginMove)
{
this.Left += MousePosition.X - currentXPosition;
this.Top += MousePosition.Y - currentYPosition;
currentXPosition = MousePosition.X;
currentYPosition = MousePosition.Y;
}
}
private void Button_MouseUp(object sender, MouseEventArgs e)
{
beginMove = false;
}
其实这个方法才是万能的,这个应该看得懂吧,还看不懂我会自杀的,呵呵