private void OnRibbonGroupItemsInserted(object sender, TypedCollectionEventArgs<KryptonRibbonGroupContainer> e)
{
// Setup the back references
e.Item.Ribbon = _ribbon;
e.Item.RibbonTab = _ribbonTab;
e.Item.RibbonGroup = this;
// Only need to update display if this tab is selected and the group is visible
if ((_ribbon != null) && (_ribbonTab != null) && (_ribbon.SelectedTab == _ribbonTab))
_ribbon.PerformNeedPaint(true);
}