在窗体的类中声明两个变量
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
创建该窗体 MouseDown事件的相应处理程序,注示部分为坐标的补偿private bool isMouseDown = false; //记录鼠标按键是否按下
private void Form1_MouseDown(object sender, System.Windows.Forms.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;
}
}
创建该窗体的 MouseMove事件的相应处理程序{
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;
}
}
private void Form1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (isMouseDown)
{
Point mousePos = Control.MousePosition;
mousePos.Offset(mouseOffset.X, mouseOffset.Y);
Location = mousePos;
}
}
创建该窗体的MouseUp事件的相应处理程序{
if (isMouseDown)
{
Point mousePos = Control.MousePosition;
mousePos.Offset(mouseOffset.X, mouseOffset.Y);
Location = mousePos;
}
}
private void Form1_MouseUp(object sender, System.Windows.Forms.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;
}
}
{
// 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;
}
}