private static bool IsWindowsVersionOrGreater(uint majorVersion, uint minorVersion, ushort servicePackMajor)
{
var osvi = new NativeStructs.RTL_OSVERSIONINFOEXW(0);
ulong conditionMask =
Kernel32.VerSetConditionMask
(
Kernel32.VerSetConditionMask
(
Kernel32.VerSetConditionMask
(
0,
NativeConstants.VER_MAJORVERSION,
NativeConstants.VER_GREATER_EQUAL
),
NativeConstants.VER_MINORVERSION,
NativeConstants.VER_GREATER_EQUAL
),
NativeConstants.VER_SERVICEPACKMAJOR,
NativeConstants.VER_GREATER_EQUAL
);
osvi.dwMajorVersion = majorVersion;
osvi.dwMinorVersion = minorVersion;
osvi.wServicePackMajor = servicePackMajor;
return(NtDll.RtlVerifyVersionInfo(ref osvi, NativeConstants.VER_MAJORVERSION | NativeConstants.VER_MINORVERSION | NativeConstants.VER_SERVICEPACKMAJOR, conditionMask) == NativeConstants.STATUS_SUCCESS);
}
public static bool IsWindowsServer()
{
var osvi = new NativeStructs.RTL_OSVERSIONINFOEXW(0);
osvi.wProductType = NativeConstants.VER_NT_WORKSTATION;
ulong conditionMask = Kernel32.VerSetConditionMask(0, NativeConstants.VER_PRODUCT_TYPE, NativeConstants.VER_EQUAL);
var result = NtDll.RtlVerifyVersionInfo(ref osvi, NativeConstants.VER_PRODUCT_TYPE, conditionMask);
bool clientOS = (result == NativeConstants.STATUS_SUCCESS);
return(!clientOS);
}
private static bool IsWindows10BuildOrGreaterWin32(int build)
{
var osVer = new NtDll.OsVersionInfoEXW
{
DwMajorVersion = 10, DwMinorVersion = 0, DwBuildNumber = (uint)build
};
const NtDll.TypeMask mask = NtDll.TypeMask.VerMajorVersion | NtDll.TypeMask.VerMinorVersion | NtDll.TypeMask.VerBuildNumber;
ulong cond = NtDll.VerSetConditionMask(0, NtDll.TypeMask.VerMajorVersion, NtDll.Condition.VerGreaterEqual);
cond = NtDll.VerSetConditionMask(cond, NtDll.TypeMask.VerMinorVersion, NtDll.Condition.VerGreaterEqual);
cond = NtDll.VerSetConditionMask(cond, NtDll.TypeMask.VerBuildNumber, NtDll.Condition.VerGreaterEqual);
// HACK: Use RtlVerifyVersionInfo instead of VerifyVersionInfoW as the
// latter lies unless the user knew to embed a non-default manifest
// announcing support for Windows 10 via supportedOS GUID
return(NtDll.RtlVerifyVersionInfo(ref osVer, mask, cond) == 0);
}
/// <summary>
/// Returns whether the windows version running on is at least the specified one.
/// </summary>
private static unsafe bool IsWindowsVersionOrGreaterWin32(int major, int minor, int sp)
{
var osVer = new NtDll.OsVersionInfoEXW
{
DwMajorVersion = (uint)major, DwMinorVersion = (uint)minor, DwBuildNumber = 0, DwPlatformId = 0, WServicePackMajor = (ushort)sp
};
osVer.DwOSVersionInfoSize = (uint)Marshal.SizeOf(osVer);
osVer.SzCsdVersion[0] = (char)0;
const NtDll.TypeMask mask = NtDll.TypeMask.VerMajorVersion | NtDll.TypeMask.VerMinorVersion | NtDll.TypeMask.VerServicePackMajor;
ulong cond = NtDll.VerSetConditionMask(0, NtDll.TypeMask.VerMajorVersion, NtDll.Condition.VerGreaterEqual);
cond = NtDll.VerSetConditionMask(cond, NtDll.TypeMask.VerMinorVersion, NtDll.Condition.VerGreaterEqual);
cond = NtDll.VerSetConditionMask(cond, NtDll.TypeMask.VerServicePackMajor, NtDll.Condition.VerGreaterEqual);
// HACK: Use RtlVerifyVersionInfo instead of VerifyVersionInfoW as the
// latter lies unless the user knew to embed a non-default manifest
// announcing support for Windows 10 via supportedOS GUID
return(NtDll.RtlVerifyVersionInfo(ref osVer, mask, cond) == 0);
}