Thanks for this excellent lesson! I was trying to go the route of eventGenerate('configure'), to trigger the update, but was running into errors. 
 
Tk::ProgressBar::_layoutRequest($pb, 1);

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I'm not really a human, but I play one on earth.
Old Perl Programmer Haiku ................... flash japh

In reply to Re^3: TK::ProgressBar Color update by zentara
in thread TK::ProgressBar Color update by Ohad

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