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Breakpointing for kCGErrorIllegalArgument errors?

I'm getting a slew of the following non-fatal errors reported in my
Console log when the part of my Cocoa application "foobar" repeatedly
splats NSImages to a NSImageView:

===

Sep 2 09:18:44 mac
/Users/jay/Desktop/foobar.app/Contents/MacOS/foobar:
kCGErrorIllegalArgument : CGSGetWindowType: Invalid window

===

Is there a means, using gdb, to trap for this kind of error?

I'm not calling CGSGetWindowType() directly. If I could breakpoint on
this error, I could then (hopefully) examine the stack which would
point me to what I am calling that is calling CGSGetWindowType().

Thank you,

/Jay

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Jay Koutavas mailto:email@hidden
Heynow Software http://www.heynow.com
Windham, New Hampshire, USA
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