C#

<br />
<br />
private bool rightButton;<br />
private bool leftButton;<br />
<br />
private void newLabel_MouseDown(object sender, MouseEventArgs e) {<br />
  if (e.Button == MouseButtons.Left) {<br />
    leftButton = true;<br />
  }<br />
  if (e.Button == MouseButtons.Right) {<br />
    rightButton = true;<br />
  }<br />
}<br />
<br />
private void newLabel_MouseClick(object sender, MouseEventArgs e) {<br />
  if (e.Button == MouseButtons.Right) {<br />
    // Do something on right click;<br />
  } else if (e.Button == MouseButtons.Middle || (leftButton && rightButton)) {<br />
    // Do something on middle click OR left and right click together;<br />
  } else {<br />
    // Do something on left click;<br />
  }<br />
}<br />
<br />
private void newLabel_MouseUp(object sender, MouseEventArgs e) {<br />
  rightButton = false;<br />
  leftButton = false;<br />
}<br />
<br />

private void mylabel_MouseClick(object sender, EventsArgs e)
{
     if(e.MouseButton == MouseButtons.Left)
          MessageBox.Show("You've just pressed the Left mouse button!");
     else if(e.MouseButton == MouseButtons.Middle)
          MessageBox.Show("You clicked the middle mouse button");
     else if(e.MouseButton == MouseButtons.Right)
          MessageBox.Show("You clicked the right mouse buttom");
}

public bool IsBottomMixValid(MeltPracDataGmix.BottomBlowing mix, int<br />
maxBottomFlow)