Using C# COM in unmanaged C++ project -> First-chance exception at 0x7697C41F (KernelBase.dll)

Question

I\'m trying to call methods from a C# COM project in an unmanaged Visual C++ solution, but I keep getting the next error

First-chance exception at 0x7697C41F         


        

Answer 1

Exceptions whose exception code is less than 0x80000000 are non-fatal exceptions. They tend to be used to pass information. The shoe fits here, exception code 0x04242420 has been reverse-engineered to CLRDBG_NOTIFICATION_EXCEPTION_CODE, type the number in a google query to see the hits. This answer from a Microsoft employee is probably the most reliable one:

Out of curiosity I did a little digging and found that this is actually an undocumented exception (CLRDBG_NOTIFICATION_EXCEPTION_CODE) that is apparently an addition to the IPC protocol used by the managed debugger in the 4.0 CLR. It should be entirely safe to ignore.