private void AddPromoteButton(int id, Func <Image> getImage, Point location)
{
PromoteButton promote = new PromoteButton(id);
promote.Image = getImage();
promote.Location = location;
this.Controls.Add(promote);
promote.Click += new EventHandler(promote_Click);
}
protected void promote_Click(object sender, EventArgs e)
{
PromoteButton panel = (PromoteButton)sender;
boardController.Promote(Id, panel.Id);
}