private static void UpdateData()
{
var verInfo = new NativeMethods.RTL_OSVERSIONINFOEXW();
// Needed to prevent: System.Runtime.InteropServices.COMException:
// The data area passed to a system call is too small. (Exception from HRESULT: 0x8007007A)
verInfo.dwOSVersionInfoSize = Marshal.SizeOf(verInfo);
var sysInfo = new NativeMethods.SYSTEM_INFO();
NativeMethods.GetNativeSystemInfo(ref sysInfo);
// RtlGetVersion returns STATUS_SUCCESS (0).
var success = !NativeMethods.RtlGetVersion(ref verInfo);
var lastError = Marshal.GetLastWin32Error();
if (!success)
{
throw new Win32Exception(lastError, "Function RtlGetVersion() failed to retrieve the operating system information.");
}
_osVersion = new Version(verInfo.dwMajorVersion, verInfo.dwMinorVersion, verInfo.dwBuildNumber);
_processorArchitecture = sysInfo.wProcessorArchitecture;
_servicePackVersion = new Version(verInfo.wServicePackMajor, verInfo.wServicePackMinor);
_isServer = verInfo.wProductType == NativeMethods.VER_NT_DOMAIN_CONTROLLER || verInfo.wProductType == NativeMethods.VER_NT_SERVER;
// RtlGetVersion: https://msdn.microsoft.com/en-us/library/windows/hardware/ff561910%28v=vs.85%29.aspx
// Operating System Version: https://msdn.microsoft.com/en-us/library/windows/desktop/ms724832(v=vs.85).aspx
// The following table summarizes the most recent operating system version numbers.
// Operating system Version number Other
// ================================================================================
// Windows 10 10.0 OSVERSIONINFOEX.wProductType == VER_NT_WORKSTATION
// Windows Server 2016 10.0 OSVERSIONINFOEX.wProductType != VER_NT_WORKSTATION
// Windows 8.1 6.3 OSVERSIONINFOEX.wProductType == VER_NT_WORKSTATION
// Windows Server 2012 R2 6.3 OSVERSIONINFOEX.wProductType != VER_NT_WORKSTATION
// Windows 8 6.2 OSVERSIONINFOEX.wProductType == VER_NT_WORKSTATION
// Windows Server 2012 6.2 OSVERSIONINFOEX.wProductType != VER_NT_WORKSTATION
// Windows 7 6.1 OSVERSIONINFOEX.wProductType == VER_NT_WORKSTATION
// Windows Server 2008 R2 6.1 OSVERSIONINFOEX.wProductType != VER_NT_WORKSTATION
// Windows Server 2008 6.0 OSVERSIONINFOEX.wProductType != VER_NT_WORKSTATION
// Windows Vista 6.0 OSVERSIONINFOEX.wProductType == VER_NT_WORKSTATION
// Windows Server 2003 R2 5.2 GetSystemMetrics(SM_SERVERR2) != 0
// Windows Server 2003 5.2 GetSystemMetrics(SM_SERVERR2) == 0
// Windows XP 64-Bit Edition 5.2 (OSVERSIONINFOEX.wProductType == VER_NT_WORKSTATION) && (sysInfo.PaName == PaName.X64)
// Windows XP 5.1 Not applicable
// Windows 2000 5.0 Not applicable
// 2017-01-07: 10 == The lastest MajorVersion of Windows.
if (verInfo.dwMajorVersion > 10)
{
_enumOsName = EnumOsName.Later;
}
else
{
switch (verInfo.dwMajorVersion)
{
#region Version 10
case 10:
// Windows 10 or Windows Server 2016
_enumOsName = verInfo.wProductType == NativeMethods.VER_NT_WORKSTATION
? EnumOsName.Windows10
: EnumOsName.WindowsServer2016;
break;
#endregion // Version 10
#region Version 6
case 6:
switch (verInfo.dwMinorVersion)
{
// Windows 8.1 or Windows Server 2012 R2
case 3:
_enumOsName = verInfo.wProductType == NativeMethods.VER_NT_WORKSTATION
? EnumOsName.Windows81
: EnumOsName.WindowsServer2012R2;
break;
// Windows 8 or Windows Server 2012
case 2:
_enumOsName = verInfo.wProductType == NativeMethods.VER_NT_WORKSTATION
? EnumOsName.Windows8
: EnumOsName.WindowsServer2012;
break;
// Windows 7 or Windows Server 2008 R2
case 1:
_enumOsName = verInfo.wProductType == NativeMethods.VER_NT_WORKSTATION
? EnumOsName.Windows7
: EnumOsName.WindowsServer2008R2;
break;
// Windows Vista or Windows Server 2008
case 0:
_enumOsName = verInfo.wProductType == NativeMethods.VER_NT_WORKSTATION
? EnumOsName.WindowsVista
: EnumOsName.WindowsServer2008;
break;
default:
_enumOsName = EnumOsName.Later;
break;
}
break;
#endregion // Version 6
#region Version 5
case 5:
switch (verInfo.dwMinorVersion)
{
case 2:
_enumOsName = verInfo.wProductType == NativeMethods.VER_NT_WORKSTATION && _processorArchitecture == EnumProcessorArchitecture.X64
? EnumOsName.WindowsXP
: verInfo.wProductType != NativeMethods.VER_NT_WORKSTATION ? EnumOsName.WindowsServer2003 : EnumOsName.Later;
break;
case 1:
_enumOsName = EnumOsName.WindowsXP;
break;
case 0:
_enumOsName = EnumOsName.Windows2000;
break;
default:
_enumOsName = EnumOsName.Later;
break;
}
break;
#endregion // Version 5
default:
_enumOsName = EnumOsName.Earlier;
break;
}
}
}
private static void UpdateData()
{
NativeMethods.OsVersionInfoEx verInfo = new NativeMethods.OsVersionInfoEx();
// Needed to prevent: System.Runtime.InteropServices.COMException:
// The data area passed to a system call is too small. (Exception from HRESULT: 0x8007007A)
verInfo.OSVersionInfoSize = Marshal.SizeOf(verInfo);
NativeMethods.SystemInfo sysInfo = new NativeMethods.SystemInfo();
NativeMethods.GetSystemInfo(ref sysInfo);
if (!NativeMethods.GetVersionEx(ref verInfo))
NativeError.ThrowException(Marshal.GetLastWin32Error());
Debug.Assert(verInfo.MajorVersion == Environment.OSVersion.Version.Major);
Debug.Assert(verInfo.MinorVersion == Environment.OSVersion.Version.Minor);
Debug.Assert(verInfo.BuildNumber == Environment.OSVersion.Version.Build);
_processorArchitecture = (EnumProcessorArchitecture)sysInfo.processorArchitecture;
_servicePackVersion = new Version(verInfo.ServicePackMajor, verInfo.ServicePackMinor);
_isServer = verInfo.ProductType == NativeMethods.VerNtDomainController || verInfo.ProductType == NativeMethods.VerNtServer;
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms724833%28v=vs.85%29.aspx
// The following table summarizes the most recent operating system version numbers.
// Operating system Version number Other
// ================================================================================
// Windows 8.1 6.3 OSVersionInfoEx.ProductType == VerNtWorkstation
// Windows Server 2012 R2 6.3 OSVersionInfoEx.ProductType != VerNtWorkstation
// Windows 8 6.2 OSVersionInfoEx.ProductType == VerNtWorkstation
// Windows Server 2012 6.2 OSVersionInfoEx.ProductType != VerNtWorkstation
// Windows 7 6.1 OSVersionInfoEx.ProductType == VerNtWorkstation
// Windows Server 2008 R2 6.1 OSVersionInfoEx.ProductType != VerNtWorkstation
// Windows Server 2008 6.0 OSVersionInfoEx.ProductType != VerNtWorkstation
// Windows Vista 6.0 OSVersionInfoEx.ProductType == VerNtWorkstation
// Windows Server 2003 R2 5.2 GetSystemMetrics(SM_SERVERR2) != 0
// Windows Home Server 5.2 OSVersionInfoEx.SuiteMask & VER_SUITE_WH_SERVER
// Windows Server 2003 5.2 GetSystemMetrics(SM_SERVERR2) == 0
// Windows XP 64-Bit Edition 5.2 (OSVersionInfoEx.ProductType == VerNtWorkstation) && (sysInfo.PaName == PaName.X64)
// Windows XP 5.1 Not applicable
// Windows 2000 5.0 Not applicable
if (verInfo.MajorVersion > 6)
_enumOsName = EnumOsName.Later;
else
switch (verInfo.MajorVersion)
{
#region Version 6
case 6:
switch (verInfo.MinorVersion)
{
// Windows Vista or Windows Server 2008
case 0:
_enumOsName = (verInfo.ProductType == NativeMethods.VerNtWorkstation)
? EnumOsName.WindowsVista
: EnumOsName.WindowsServer2008;
break;
// Windows 7 or Windows Server 2008 R2
case 1:
_enumOsName = (verInfo.ProductType == NativeMethods.VerNtWorkstation)
? EnumOsName.Windows7
: EnumOsName.WindowsServer2008R2;
break;
// Windows 8 or Windows Server 2012
case 2:
_enumOsName = (verInfo.ProductType == NativeMethods.VerNtWorkstation)
? EnumOsName.Windows8
: EnumOsName.WindowsServer2012;
break;
// Windows 8.1 or Windows Server 2012R2
case 3:
_enumOsName = (verInfo.ProductType == NativeMethods.VerNtWorkstation)
? EnumOsName.Windows81
: EnumOsName.WindowsServer2012R2;
break;
default:
_enumOsName = EnumOsName.Later;
break;
}
break;
#endregion // Version 6
#region Version 5
case 5:
switch (verInfo.MinorVersion)
{
case 0:
_enumOsName = EnumOsName.Windows2000;
break;
case 1:
_enumOsName = EnumOsName.WindowsXP;
break;
case 2:
_enumOsName = (verInfo.ProductType == NativeMethods.VerNtWorkstation && _processorArchitecture == EnumProcessorArchitecture.X64)
? EnumOsName.WindowsXP
: (verInfo.ProductType != NativeMethods.VerNtWorkstation)
? EnumOsName.WindowsServer2003
: EnumOsName.Later;
break;
default:
_enumOsName = EnumOsName.Later;
break;
}
break;
#endregion // Version 5
default:
_enumOsName = EnumOsName.Earlier;
break;
}
}
private static void UpdateData()
{
NativeMethods.OsVersionInfoEx verInfo = new NativeMethods.OsVersionInfoEx();
// Needed to prevent: System.Runtime.InteropServices.COMException:
// The data area passed to a system call is too small. (Exception from HRESULT: 0x8007007A)
verInfo.OSVersionInfoSize = Marshal.SizeOf(verInfo);
NativeMethods.SystemInfo sysInfo = new NativeMethods.SystemInfo();
NativeMethods.GetSystemInfo(ref sysInfo);
if (!NativeMethods.GetVersionEx(ref verInfo))
{
NativeError.ThrowException(Marshal.GetLastWin32Error());
}
Debug.Assert(verInfo.MajorVersion == Environment.OSVersion.Version.Major);
Debug.Assert(verInfo.MinorVersion == Environment.OSVersion.Version.Minor);
Debug.Assert(verInfo.BuildNumber == Environment.OSVersion.Version.Build);
_processorArchitecture = (EnumProcessorArchitecture)sysInfo.processorArchitecture;
_servicePackVersion = new Version(verInfo.ServicePackMajor, verInfo.ServicePackMinor);
_isServer = verInfo.ProductType == NativeMethods.VerNtDomainController || verInfo.ProductType == NativeMethods.VerNtServer;
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms724833%28v=vs.85%29.aspx
// The following table summarizes the most recent operating system version numbers.
// Operating system Version number Other
// ================================================================================
// Windows 8.1 6.3 OSVersionInfoEx.ProductType == VerNtWorkstation
// Windows Server 2012 R2 6.3 OSVersionInfoEx.ProductType != VerNtWorkstation
// Windows 8 6.2 OSVersionInfoEx.ProductType == VerNtWorkstation
// Windows Server 2012 6.2 OSVersionInfoEx.ProductType != VerNtWorkstation
// Windows 7 6.1 OSVersionInfoEx.ProductType == VerNtWorkstation
// Windows Server 2008 R2 6.1 OSVersionInfoEx.ProductType != VerNtWorkstation
// Windows Server 2008 6.0 OSVersionInfoEx.ProductType != VerNtWorkstation
// Windows Vista 6.0 OSVersionInfoEx.ProductType == VerNtWorkstation
// Windows Server 2003 R2 5.2 GetSystemMetrics(SM_SERVERR2) != 0
// Windows Home Server 5.2 OSVersionInfoEx.SuiteMask & VER_SUITE_WH_SERVER
// Windows Server 2003 5.2 GetSystemMetrics(SM_SERVERR2) == 0
// Windows XP 64-Bit Edition 5.2 (OSVersionInfoEx.ProductType == VerNtWorkstation) && (sysInfo.PaName == PaName.X64)
// Windows XP 5.1 Not applicable
// Windows 2000 5.0 Not applicable
if (verInfo.MajorVersion > 6)
{
_enumOsName = EnumOsName.Later;
}
else
{
switch (verInfo.MajorVersion)
{
#region Version 6
case 6:
switch (verInfo.MinorVersion)
{
// Windows Vista or Windows Server 2008
case 0:
_enumOsName = (verInfo.ProductType == NativeMethods.VerNtWorkstation)
? EnumOsName.WindowsVista
: EnumOsName.WindowsServer2008;
break;
// Windows 7 or Windows Server 2008 R2
case 1:
_enumOsName = (verInfo.ProductType == NativeMethods.VerNtWorkstation)
? EnumOsName.Windows7
: EnumOsName.WindowsServer2008R2;
break;
// Windows 8 or Windows Server 2012
case 2:
_enumOsName = (verInfo.ProductType == NativeMethods.VerNtWorkstation)
? EnumOsName.Windows8
: EnumOsName.WindowsServer2012;
break;
// Windows 8.1 or Windows Server 2012R2
case 3:
_enumOsName = (verInfo.ProductType == NativeMethods.VerNtWorkstation)
? EnumOsName.Windows81
: EnumOsName.WindowsServer2012R2;
break;
default:
_enumOsName = EnumOsName.Later;
break;
}
break;
#endregion // Version 6
#region Version 5
case 5:
switch (verInfo.MinorVersion)
{
case 0:
_enumOsName = EnumOsName.Windows2000;
break;
case 1:
_enumOsName = EnumOsName.WindowsXP;
break;
case 2:
_enumOsName = (verInfo.ProductType == NativeMethods.VerNtWorkstation && _processorArchitecture == EnumProcessorArchitecture.X64)
? EnumOsName.WindowsXP
: (verInfo.ProductType != NativeMethods.VerNtWorkstation)
? EnumOsName.WindowsServer2003
: EnumOsName.Later;
break;
default:
_enumOsName = EnumOsName.Later;
break;
}
break;
#endregion // Version 5
default:
_enumOsName = EnumOsName.Earlier;
break;
}
}
}
