private void btnStop_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (e.Button=MouseButtons.Right)
{
MessageBox.Show("右键");
}
}
{
if (e.Button=MouseButtons.Right)
{
MessageBox.Show("右键");
}
}
{
if (e.Button=MouseButtons.left)
{
}
}