void OnLabelClick(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
Label label = sender as Label;
LabelClickEventArgs ce = new LabelClickEventArgs((int)label.Tag);
OnLabelClick(ce);
}
}
protected virtual void OnLabelClick(LabelClickEventArgs e)
{
if (LabelClick != null)
LabelClick(this, e);
}