VBA to Adjust an Excel Chart Embedded into PPT while in SlideShow
 

I have used VBA within PowerPoint to program a LINKED Excel pie chart to
change after variables in a user input form are applied in SlideShow mode.
This requires any presenter to always have the ppt doc and the xls doc for
the programming to work in presentation mode.

In order to avoid the use of 2 separate docs, is there a way to update an
EMBEDDED Excel pie chart programmatically without ever leaving slideshow mode
in PPT? I've found info on doing it in slide or notes view, but not in show
mode.
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Thanks for your help!
Mona-ABE