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From: gessel@cs.swarthmore.edu (Daniel Mark Gessel)
Newsgroups: comp.sys.next
Subject: Exception Handlers
Summary: Why I got the error.
Keywords: Exception Handlers Errors
Message-ID: <P7YKZCP@xavier.swarthmore.edu>
Date: 6 Jun 90 15:05:29 GMT
Sender: news@xavier.swarthmore.edu (Usenet News)
Organization: Swarthmore College, PA, USA
Lines: 20

I posted a little while ago about getting messages to my console something
to the effect of :

Exception Handlers not properly removed.

And then:

Last message repeated n times.

I'm fairly sure what caused them was an unbalanced lockfocus message
sent to a Bitmap object (I sent two lockfocuses instead of an unlockfocus).

Just in case anybody runs into a similar problem, try looking at your
lockfocus/unlockfocuses.

Dan

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