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microsoft.public.dotnet.framework

Exception in winforms app peekmessage

Joost

8/12/2008 8:19:00 PM

An application developed in .net framework 1.1 runs great outside
citrix, but when its run within citrix it regularly crashes with the
following exception. I have no idea why these exceptions occur...
sometimes the user is having a break and sees the exception message when
returning the his computer

"Oject reference not set to an instance of an object." at

system.windows.forms.unsafenativemethods.Peekmessage

the full stack trace can be found here:

http://80.127.191.19...

Has anyone ever seen something like that? The system is running
framework 1.1 + sp1. How can i debug something like this?