www.pudn.com > inpout32.zip > osversion.cpp

#include "stdafx.h" 
#include "hwinterfacedrv.h" 
 
int SystemVersion() 
 
{    
	 
	   OSVERSIONINFOEX osvi; 
       BOOL bOsVersionInfoEx; 
 
	   ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX)); 
       osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX); 
 
	   if( !(bOsVersionInfoEx = GetVersionEx ((OSVERSIONINFO *) &osvi)) ) 
		{ 
          osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO); 
          
		  if (! GetVersionEx ( (OSVERSIONINFO *) &osvi) ) 
			  return 0;   
		} 
 
	      switch (osvi.dwPlatformId) 
			  {       
				case VER_PLATFORM_WIN32_NT: 
 
					return 2;		//WINNT 
 
					break; 
 
				case VER_PLATFORM_WIN32_WINDOWS: 
						 
					return 1;		//WIN9X 
 
					break; 
 
					}    
		  return 0;  
}