Refreshing the ribbon interface before a call from a macro

When creating custom ribbons, at some points in the application I need to be able to enable and or disable the button commands.

The problem is that I can't get the ribbon to refresh before of call macro main to enable the Pause Button

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The invalidate will not occur until you exit the Run_OnAction routine, which does not happen in your code.

You could use the Application.Run to start the process AND let the onAction routine complete.
I'm not sure about the rest of the code though as the Pause button will not get invalidated because you are stuck within the other routines that are looping.

It may make more sense when you use real code rather than forced loops.