Comment 1 for bug 780351

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RaiMan (raimund-hocke) wrote : Re: X-1.0rc2: wish to show operating region borders in slow motion mode

You might use Region.highlight() for that purpose ().
If you use it without a timing parameter it acts as toggling frame.

so you might use e.g.

setROI(someRegion)
if Settings.ShowActions: Region(getROI()).highlight() #switch frame on
# your actions
if Settings.ShowActions: Region(getROI()).highlight() #switch frame off