public ViewBase GetFirstFocusItem()
{
if ((_ribbonDomainUpDown.Visible) &&
(_ribbonDomainUpDown.LastDomainUpDown != null) &&
(_ribbonDomainUpDown.LastDomainUpDown.DomainUpDown != null) &&
(_ribbonDomainUpDown.LastDomainUpDown.DomainUpDown.CanSelect))
return this;
else
return null;
}