c# pinvoke SndGetSoundFileList?

Question

I'd like to call SndGetSoundFileList from c#, but I got no idea how the p/invoke for this function needs to be, due to the pointer parameters.

HRESULT SndGetSoundFileList (
   SND_EVENT seSoundEvent,
   DWORD grfLocations, 
   SNDFILEINFO** ppSoundFiles,
   int* pcSoundFiles
);

I'd like to get the list as a string-array, of course.

Can anyone help me here?

Thanks!

Answer 1

For the array parameter, use out IntPtr as the parameter type. Then use Marshal.PtrToStructure to retrieve the structures, and call LocalFree to free the memory when you're done.