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【C】判断Windows的版本

作者:SmartGeek / 发布于2013/10/23/ 686


	#include <windows.h>
	#include <winnt.h>
	#include <windef.h>
	#define _WINVER_95_ 0x0400 // 4.0
	#define _WINVER_NT4_ 0x0401 // 4.1 (baked version)
	#define _WINVER_98_ 0x040A // 4.10
	#define _WINVER_ME_ 0x045A // 4.90
	#define _WINVER_2K_ 0x0500 // 5.0
	#define _WINVER_XP_ 0x0501 // 5.1
	#define _WINVER_XP_SP2_ 0x0502 // 5.1 sp2
	#define _WINVER_2003_ 0x0502 // 5.2
	#define _WINVER_VISTA_ 0x0600 // 6.0
	#define _WINVER_7_ 0x0601 // 6.1
	#define _WINVER_S2008_ 0x0601 // 6.1

	WORD DetectWinVersion()
	{
	OSVERSIONINFOEX osvi;
	ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
	osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
	if (!GetVersionEx((OSVERSIONINFO*)&osvi))
	{
	 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
	 if (!GetVersionEx((OSVERSIONINFO*)&osvi))
	 return FALSE;
	}

	switch (osvi.dwPlatformId)
	{
	 case VER_PLATFORM_WIN32_NT:
	 if (osvi.dwMajorVersion <= 4)
	 return _WINVER_NT4_;
	 if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0)
	 return _WINVER_2K_;
	 if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1)
	 {
	 if (osvi.wServicePackMajor >= 2)
	 return _WINVER_XP_SP2_;
	 return _WINVER_XP_;
	 }
	 if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2)
	 return _WINVER_2003_;
	 if (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 0)
	 return _WINVER_VISTA_;
	 if (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 1)
	 return _WINVER_7_;
	 return _WINVER_7_; // never return Win95 if we get the info about a NT system

	 case VER_PLATFORM_WIN32_WINDOWS:
	 if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0)
	 return _WINVER_95_;
	 if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 10)
	 return _WINVER_98_;
	 if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 90)
	 return _WINVER_ME_;
	 break;
	}

	return _WINVER_95_; // there should'nt be anything lower than this
	}

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