protected override void OnTabButtonMouseDown(MouseEventArgs e)
{
base.OnTabButtonMouseDown(e);
//
IRibbonControl pRibbonControl = this.TryGetDependRibbonControl();
if (pRibbonControl == null || !pRibbonControl.HideRibbonPage)
{
return;
}
pRibbonControl.ShowPagesPopup();
}