Still, maybe it is still possible to emulate right codes on Vista? Win32 gives a number of silution for key-press emulation.
Is there a topic where I can read specific information about the problem? Maybe I can be in use to resolve it.
Well, you can try, but IMO, there is no way.
The problem is that WM_CHAR contains '?' instead of the proper character. And we have no control about how WM_KEYDOWN is translated to final char....