public static string GetOSName()
{
_OSVERSIONINFOEX osVersionInfo = new _OSVERSIONINFOEX();
osVersionInfo.dwOSVersionInfoSize = 156;
if (GetVersionEx(ref osVersionInfo))
{
switch (osVersionInfo.dwMajorVersion)
{
case 5:
switch (osVersionInfo.dwMinorVersion)
{
case 0:
return("Microsoft Windows 2000");
case 1:
return("Microsoft Windows XP");
case 2:
if ((osVersionInfo.wSuiteMask & 0x00008000) != 0)
{
return("Microsoft Windows Home Server");
}
if (osVersionInfo.wProductType == 1 && CheckOSBitness.Is64BitOperatingSystem())
{
return("Microsoft Windows XP");
}
if (GetSystemMetrics(89) == 0)
{
return("Microsoft Windows Server 2003");
}
else
{
return("Microsoft Windows Server 2003 R2");
}
}
break;
case 6:
switch (osVersionInfo.dwMinorVersion)
{
case 0:
if (osVersionInfo.wProductType == 1)
{
return("Microsoft Windows Vista");
}
else
{
return("Microsoft Windows Server 2008");
}
case 1:
if (osVersionInfo.wProductType == 1)
{
return("Microsoft Windows 7");
}
else
{
return("Microsoft Windows Server 2008 R2");
}
default:
return("The later version of Microsoft Windows Vista");
}
break;
}
}
return(null);
}
public static extern bool GetVersionEx(ref _OSVERSIONINFOEX osVersionInfo);