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Learning Perl/Tk
book

Learning Perl/Tk

by Nancy Walsh
January 1999
Beginner content levelBeginner
373 pages
9h 43m
English
O'Reilly Media, Inc.
Content preview from Learning Perl/Tk

16.6. Is the Widget Mapped?

To find out if the widget has been mapped to the screen, use the ismapped method:

if ($widget->ismapped())
  # Do something
} else {
  # map the widget
}

The ismapped method returns 1 if the widget is currently mapped to the screen and if it is not.

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Publisher Resources

ISBN: 1565923146Supplemental ContentCatalog PageErrata