WindowVersion

#include 
int main(void)
{
	if (IsWindows8OrGreater())
		cout << "Win 8" << endl;
	else if (IsWindows7OrGreater())
		cout << "Win 7" << endl;
	else if (IsWindowsXPOrGreater())
		cout << "xp" << endl;
	else
		cout << "unrecognized system" << endl;
	
	system("pause");
	if (1)
	{
	char szOSName[40] = { 0 };

  DWORD  dwMajorVersion;
  DWORD   dwMinorVersion;
  DWORD  dwBuildNumber;
  DWORD  dwPlatformId;
  OSVERSIONINFO osvi;//定义OSVERSIONINFO数据结构对象
  memset(&osvi, 0, sizeof(OSVERSIONINFO));//开空间 
  osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);//定义大小 
  GetVersionEx(&osvi);//获得版本信息 
  dwMajorVersion = osvi.dwMajorVersion;//主版本号
  dwMinorVersion = osvi.dwMinorVersion;//副版本
  dwBuildNumber = osvi.dwBuildNumber;//创建号
  dwPlatformId = osvi.dwPlatformId;//ID号
  char swVersion[10] = { 0 };
  sprintf(swVersion, "%d.%d", dwMajorVersion, dwMinorVersion);
  // dwVesion=atoi(swVersion);  

  //if (!strcmp(swVersion, "4.0"))   strcpy(szOSName, "win95");    //win95    
  //if (!strcmp(swVersion, "4.1")) strcpy(szOSName, "win98");     //win98 
  //if (!strcmp(swVersion, "4.9")) strcpy(szOSName, "win_me");     // win_me 
  //if (!strcmp(swVersion, "3.51")) strcpy(szOSName, "win_Nt_3_5");  //win_Nt_3_5    
  //if (!strcmp(swVersion, "5.0"))  strcpy(szOSName, "win2000");    //win2000   
  //if (!strcmp(swVersion, "5.1"))   strcpy(szOSName, "win_xp");    //win_xp 
  //if (!strcmp(swVersion, "5.2"))  strcpy(szOSName, "win2003");    // win2003 
  //if (!strcmp(swVersion, "6.6"))   strcpy(szOSName, "vista");    //vista
  //if (!strcmp(swVersion, "6.1"))   strcpy(szOSName, "win7");     // win7 
  //if (!strcmp(swVersion, "6.1"))   strcpy(szOSName, "win8");      // win8 

  if (!strcmp(swVersion, "6.1")) {
    MessageBox(NULL, "win 7", "current version中文", MB_OK);
  }// win7 
}
}