New version ryvc32.obj can support VC4.2 VC5.0 VC6.0, and user needn't care single 
thread or mutil thread, and both support C and C++, this is all-purpose obj file.
so we only keep sample for vc6.0 and AutoCad Arx samples.

Under \Samples\VC6
\C 		VC6 Stander C Samples
\MFC\STATIC	VC6 MFC with use the MFC library "As a statically link library" Samples
\MFC\SHARED	VC6 MFC with use the MFC library "As a shared DLL" Samples
\Samples\Arx    AutoCad R14 ARX Samples
