/// <summary>
/// Indicates if the current OS version matches, or is greater than, the Windows 10 "Redstone 1" version.
/// </summary>
/// <returns>True if the current OS version matches, or is greater than, the Windows 10 "Redstone 1" version; otherwise, False.</returns>
/// <remarks>
/// This method is not intended to differentiate between specific Technical Preview builds of Windows Server 2016.
///
/// RS1 will have a build number strictly greater than _TH2_BUILD_NUMBER.
/// Once the precise build number for RS1 RTM is known, NativeConstants._RS1_BUILD_NUMBER
/// should be defined, and the following implmentation should be updated to something like this:
///
/// return IsWindowsVersionOrGreater(
/// Util.HIBYTE(NativeConstants._WIN32_WINNT_WIN10),
/// Util.LOBYTE(NativeConstants._WIN32_WINNT_WIN10),
/// 0,
/// NativeConstants._RS1_BUILD_NUMBER);
///
/// In addition to updating the following implementation, a new method - IsWindows10RS2OrGreater -
/// should be added along the lines of the implementation below.
/// </remarks>
public static bool IsWindows10RS1OrGreater()
{
var osvi = new NativeTypes.OSVERSIONINFOEX();
osvi.dwMajorVersion = Util.HIBYTE(Win32WinNTConstants._WIN32_WINNT_WIN10);
osvi.dwMinorVersion = Util.LOBYTE(Win32WinNTConstants._WIN32_WINNT_WIN10);
osvi.dwBuildNumber = Win10BuildNumbers._TH2_BUILD_NUMBER;
ulong dwlConditionMask = 0;
NativeMethods.VER_SET_CONDITION(
ref dwlConditionMask,
TypeBitMasks.VER_MAJORVERSION,
ConditionMasks.VER_GREATER_EQUAL);
NativeMethods.VER_SET_CONDITION(
ref dwlConditionMask,
TypeBitMasks.VER_MINORVERSION,
ConditionMasks.VER_GREATER_EQUAL);
// Build number should be strictly greater than than of TH2 - use VER_GREATER
NativeMethods.VER_SET_CONDITION(
ref dwlConditionMask,
TypeBitMasks.VER_BUILDNUMBER,
ConditionMasks.VER_GREATER);
uint dwFlags =
TypeBitMasks.VER_MAJORVERSION |
TypeBitMasks.VER_MINORVERSION |
TypeBitMasks.VER_BUILDNUMBER;
return
(NativeMethods.VerifyVersionInfo(osvi, dwFlags, dwlConditionMask));
}
/// <summary>
/// Indicates if the current OS version matches, or is greater than, the OS version
/// specified through <paramref name="wMajorVersion"/>, <paramref name="wMinorVersion"/>,
/// <paramref name="wServicePackMajor"/> and <paramref name="wBuildNumber"/>.
/// </summary>
/// <param name="wMajorVersion">Major version</param>
/// <param name="wMinorVersion">Minor version</param>
/// <param name="wServicePackMajor">Service Pack's major version number</param>
/// <param name="wBuildNumber">Build number of the OS</param>
/// <returns>True if the current OS version matches, or is greater than, the OS version
/// specified by the parameters, otherwise, False.</returns>
private static bool IsWindowsVersionOrGreater(
uint wMajorVersion,
uint wMinorVersion,
ushort wServicePackMajor,
uint wBuildNumber = 0)
{
var osvi = new NativeTypes.OSVERSIONINFOEX();
osvi.dwMajorVersion = wMajorVersion;
osvi.dwMinorVersion = wMinorVersion;
ulong dwlConditionMask = 0;
NativeMethods.VER_SET_CONDITION(
ref dwlConditionMask,
TypeBitMasks.VER_MAJORVERSION,
ConditionMasks.VER_GREATER_EQUAL);
NativeMethods.VER_SET_CONDITION(
ref dwlConditionMask,
TypeBitMasks.VER_MINORVERSION,
ConditionMasks.VER_GREATER_EQUAL);
uint dwFlags =
TypeBitMasks.VER_MAJORVERSION |
TypeBitMasks.VER_MINORVERSION;
if (wServicePackMajor > 0)
{
osvi.wServicePackMajor = wServicePackMajor;
NativeMethods.VER_SET_CONDITION(
ref dwlConditionMask,
TypeBitMasks.VER_SERVICEPACKMAJOR,
ConditionMasks.VER_GREATER_EQUAL);
dwFlags |= TypeBitMasks.VER_SERVICEPACKMAJOR;
}
if (wBuildNumber > 0)
{
osvi.dwBuildNumber = wBuildNumber;
NativeMethods.VER_SET_CONDITION(
ref dwlConditionMask,
TypeBitMasks.VER_BUILDNUMBER,
ConditionMasks.VER_GREATER_EQUAL);
dwFlags |= TypeBitMasks.VER_BUILDNUMBER;
}
return(NativeMethods.VerifyVersionInfo(osvi, dwFlags, dwlConditionMask));
}
/// <summary>
/// Indicates if the current OS is a Windows Server release. Applications that need to distinguish
/// between server and client versions of Windows should call this function.
/// </summary>
/// <returns>True if the current OS is a Windows Server version; otherwise, False.</returns>
public static bool IsWindowsServer()
{
var osvi = new NativeTypes.OSVERSIONINFOEX();
ulong dwlConditionMask = 0;
osvi.wProductType = ProductTypes.VER_NT_WORKSTATION;
NativeMethods.VER_SET_CONDITION(
ref dwlConditionMask,
TypeBitMasks.VER_PRODUCT_TYPE,
ConditionMasks.VER_EQUAL);
return
(!NativeMethods.VerifyVersionInfo(osvi, TypeBitMasks.VER_PRODUCT_TYPE, dwlConditionMask));
}
internal static bool VerifyVersionInfo(NativeTypes.OSVERSIONINFOEX lpVersionInfo, uint dwTypeMask, ulong dwlConditionMask)
{
var result = RtlVerifyVersionInfo(lpVersionInfo, dwTypeMask, dwlConditionMask);
if (result == NtStatus.STATUS_INVALID_PARAMETER)
{
throw new ArgumentException(string.Empty, string.Empty);
}
System.Diagnostics.Debug.Assert(
(result == NtStatus.STATUS_SUCCESS) ||
(result == NtStatus.STATUS_REVISION_MISMATCH));
return(result == NtStatus.STATUS_SUCCESS);
}
private static extern uint RtlVerifyVersionInfo([In] NativeTypes.OSVERSIONINFOEX lpVersionInfo, uint dwTypeMask, ulong dwlConditionMask);
