Breakpoints not working in Delphi 6 DirectShow source filter

Posted by Robert Oschler on Stack Overflow See other posts from Stack Overflow or by Robert Oschler
Published on 2010-03-18T12:32:01Z Indexed on 2010/03/18 15:11 UTC
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delphi

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directshow

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filter

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breakpoints

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skype

I'm trying to debug my DirectShow source filter. I'm using Delphi Pro 6 on Windows XP along with the DSPACK component library. I'm using Skype as my host application, which I set in the Parameters option in the Run menu, for testing my source filter DLL (ax file extension). Skype runs fine and I see a stream of my OutputDebugString messages in the Event Viewer, but none of my breakpoints are ever hit. In my Project Settings I have optimizations off, stack frames on, debug DCUs on, Range Checking on, and Overflow checking on. Each time I modify my code and run a test I:

Do a full build
Unregister the DirectShow filter (regsvr32 /u)
Register the DirectShow filter (regsvr32)
Run Skype as my Host application from the IDE

When an Exception occurs, the IDE does trap it and pops up an error dialog box with the option to view the assembler code in the CPU window. However none of my breakpoints are being hit. Can anyone tell me how to get breakpoints working?

Thanks.

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