protected override void OnSelecting(TabControlCancelEventArgs e)
{
base.OnSelecting(e);
if (!DesignMode)
{
animator.BeginUpdate(this, false, null, new Rectangle(0, ItemSize.Height + 3, Width, Height - ItemSize.Height - 3));
BeginInvoke(new MethodInvoker(() => animator.EndUpdate(this)));
}
}
