Hello,
I present my trouble.

I have a sw developed in VB.net (Visual Studio 2005) and build for 64bit OS.
This sw calls an API into a dll developed in C++ (Visual Studio 2005) and build for 64bit OS.

This is the declaration of exported C++ API:
Code:
AFX_EXT_CLASS int _extFunct(DWORD_PTR* pOutputBuffer)
This declaration is not modifiable.
pOutputBuffer contains a pointer of...