Re: callback from C DLL returning an int [SEC=PERSONAL]

From: RayS

> As it turns out, the DLL did have a conflict in the declarations; all the functions
> were compiled using __cdecl while the set_callback function parameter requires
> a pointer to a __stdcall function type. It will be recompiled using the __stdcall
> calling convention for all functions, which should solve the issue.

> Apparently, since the cdecl DLL expects all calling function to remove the
> parameter from the stack, and the mixed in stdcall declared callback removed
> parameters itself, the stack was not in a good state and Windows would shut
> the process down - when the function exited the caller and called both had
> popped the stack.

Messy.  Your code may well have worked though, if you'd declared the callback
as WINFUNCTYPE rather than CFUNCTYPE upon finding out that the callback
was __stdcall.

Good to have a resolution, anyway.

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