You can do this by using user control and delegate like below:
public delegate void MyClick (object
sender, System.EventArgs e);
public event MyClick cClick ;
private void UserControl1_Click(object
sender, System.EventArgs e)
{
if (cClick != null)
cClick (sender,e);
}
private void label1_Click(object sender,
System.EventArgs e)
{
UserControl1_Click( sender, e);
}
private void label2_Click(object sender, System.EventArgs
e)
{
UserControl1_Click( sender, e);
}