在类中定义两个变量
private Point mouseOffset; //记录鼠标指针的坐标
private bool isMouseDown = false; //记录鼠标按键是否按下
增加鼠标按下的事件
private void Main_MouseDown(object sender, MouseEventArgs e)
{
int xOffset;
int yOffset;
if (e.Button == MouseButtons.Left)
{
xOffset = -e.X - SystemInformation.FrameBorderSize.Width;
yOffset = -e.Y - SystemInformation.CaptionHeight-SystemInformation.FrameBorderSize.Height;
mouseOffset = new Point(xOffset, yOffset);
isMouseDown = true;
}
}
增加鼠标鼠标移动的事件
private void Main_MouseMove(object sender, MouseEventArgs e)
{
if (isMouseDown)
{
Point mousePos = Control.MousePosition;
mousePos.Offset(mouseOffset.X, mouseOffset.Y);
Location = mousePos;
}
}
增加鼠标放开的事件
private void Main_MouseUp(object sender, MouseEventArgs e)
{
// 修改鼠标状态isMouseDown的值
// 确保只有鼠标左键按下并移动时,才移动窗体
if (e.Button == MouseButtons.Left)
{
isMouseDown = false;
}
}