WinForm 拖动控件
private Point mouseOffset;
private void label1_MouseDown(object sender, MouseEventArgs e)
{
mouseOffset = new Point(-e.X, -e.Y);
}
private void label1_MouseMove(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
Point mousePos = Control.MousePosition;
mousePos.Offset(mouseOffset.X, mouseOffset.Y);
((Control)sender).Location = ((Control)sender).Parent.PointToClient(mousePos);
}
}
private void label1_MouseDown(object sender, MouseEventArgs e)
{
mouseOffset = new Point(-e.X, -e.Y);
}
private void label1_MouseMove(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
Point mousePos = Control.MousePosition;
mousePos.Offset(mouseOffset.X, mouseOffset.Y);
((Control)sender).Location = ((Control)sender).Parent.PointToClient(mousePos);
}
}
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