VBA Mac 2016 I need a substitute for making a temporary commandbar

[Jim Gordon]

In previous versions of Excel I could make a temporary commandbar that held a control that I could "click" programmatically. Here's an example:

        'Make a temporary commandbar with the button that fires the flag for followup dialog
        Set TempBar = CommandBars.Add(Name:="FlagDialog")
        '
        'Put the flag for followup command onto the TempBar temporary toolbar
        Application.CommandBars("FlagDialog").Controls.Add Type:=msoControlButton, Id:=8476, Before:=1
        '
        'Click the button on the temporary commandbar to display the flag for follow-up dialog
        Application.CommandBars("FlagDialog").Controls(1).Exec

Attempting to add a commandbar crashes XL 2016 Mac. Is there an equivalent way to make a temporary button in the Ribbon and execute that command?