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315) Why is XtWindow(widget) == 0?

[Last modified: Oct 95]

Answer: The window is not created (and is NULL) until the widget is realized.
In general, using XtWindow() is a bad idea.  In most cases, you can create
more robust code by subclassing the widget and putting your window code in new
wiget class methods.

Ken Lee


Top Document: Motif FAQ (Part 9 of 9)
Previous Document: 314) Why does the xyz application core dump when I cut and paste?
Next Document: 316) How do I debug X protocol errors (e.g., BadWindow, BadMatch) in

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Send corrections/additions to the FAQ Maintainer:
kenton@rahul.net (Ken Lee)

Last Update May 13 2007 @ 00:23 AM