Handle
CommandBarSystemObject()
context menus use a differnt logic for finding the commandbars. Normally it will just attach to
the global commandbars. However, a developer can choose attach this to a different commandbars by
setting phoCommandBars.

OnPopupInit(Variant vCommandBarControl Handle hoCommandBarControls)
before called, self and all items IsEnabled, IsChecked and IsVisible are called
the first param is of no interest as it is this object which is already attached