Create Ribbon Objects
protected virtual Microsoft.Office.Tools.Ribbon.IRibbonExtension CreateRibbonObjects ();
An array of IRibbonExtension objects that represent the Ribbons to display at run time.
Override this method if you want to specify which Ribbons to display at run time. You can also override the CreateRibbonExtensibilityObject method to specify which Ribbons to display at run time. For more information, see Ribbon Overview.