After reviewing the object model in MSDN I figured out something that works. Each time I start a new slide I use the following to make the new slide Active: 
$ActiveWindow = $PptApp->ActiveWindow;
$ActiveWindow->Activate();
$ActiveWindow->View->GotoSlide({Index=>$slideNumber});

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In reply to Re: Re: win32::ole ActiveWindow by tewelch
in thread win32::ole ActiveWindow by tewelch

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