Thanks Viv, I'll give it a try.

Assembler code reminds me of many long hours in college so-many-years-ago :-)

Irv

>Hi,
>
>I've never needed to but there's a 'Enable unmanaged code debugging' checkbox on the project properties Debug page (and I think you need C++ installed as well). Personally I need to be pretty desperate to debug assembler code <g>
>HTH,
>Viv
>
>>This is helpful information, I didn't know about this compiler option and related PDBs, thanks.
>>
>>Is it possible to trace or debug unmanaged code like a FoxPro COM object (DLL) from within .NET?
>>
>>Thanks for your help,
>>
>>Irv
>>
>>>Hi,
>>>
>>>As an alternative to Einars suggestion of adding the project to the solution you can just add a reference to the debug information for the external project:
>>>
>>>Tools:Options from the menu; select Debugging/Symbols and add the folder holding the relevant PDB file to the list.
>>>HTH,
>>>Viv
>>>
>>>
>>>>I have a C# Winform project that has a Reference to a C# class project. I set breakpoints in the class project and then run the Winform and I cannot make it go into the class and stop at the desired line. It just skips over the entire class code segment no matter where I put breaks.
>>>>
>>>>Also, In FoxPro there's a 'step into' Debug function and all I see in my Winforms project is 'Step Over'. I think this is a separate issue(?)
>>>>
>>>>Thanks,