using Microsoft.Win32;
using System;
using System.Runtime.InteropServices;
// http://www.codeproject.com/Articles/73000/Getting-Operating-System-Version-Info-Even-for-Win
//https://en.wikipedia.org/wiki/List_of_Microsoft_Windows_versions
//Thanks to Member 7861383, Scott Vickery for the Windows 8.1 update and workaround.
//I have moved it to the beginning of the Name property, though...
//Thakts to Brisingr Aerowing for help with the Windows 10 adapatation
namespace JCS
{
///
/// Provides detailed information about the host operating system.
///
public static class OSVersionInfo
{
#region ENUMS
public enum SoftwareArchitecture
{
Unknown = 0,
Bit32 = 1,
Bit64 = 2
}
public enum ProcessorArchitecture
{
Unknown = 0,
Bit32 = 1,
Bit64 = 2,
Itanium64 = 3
}
#endregion ENUMS
#region DELEGATE DECLARATION
private delegate bool IsWow64ProcessDelegate([In] IntPtr handle, [Out] out bool isWow64Process);
#endregion DELEGATE DECLARATION
#region NAME
static private string s_Name;
///
/// Gets the name of the operating system running on this computer.
///
static public string Name
{
get
{
if (s_Name != null)
return s_Name; //***** RETURN *****//
string name = "unknown";
OperatingSystem osVersion = Environment.OSVersion;
OSVERSIONINFOEX osVersionInfo = new OSVERSIONINFOEX();
osVersionInfo.dwOSVersionInfoSize = Marshal.SizeOf(typeof(OSVERSIONINFOEX));
if (GetVersionEx(ref osVersionInfo))
{
int majorVersion = osVersion.Version.Major;
int minorVersion = osVersion.Version.Minor;
if (majorVersion == 6 && minorVersion == 2)
{
//The registry read workaround is by Scott Vickery. Thanks a lot for the help!
//http://msdn.microsoft.com/en-us/library/windows/desktop/ms724832(v=vs.85).aspx
// For applications that have been manifested for Windows 8.1 & Windows 10. Applications not manifested for 8.1 or 10 will return the Windows 8 OS version value (6.2).
// By reading the registry, we'll get the exact version - meaning we can even compare against Win 8 and Win 8.1.
string exactVersion = RegistryRead(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion", "CurrentVersion", "");
if (!string.IsNullOrEmpty(exactVersion))
{
string[] splitResult = exactVersion.Split('.');
majorVersion = Convert.ToInt32(splitResult[0]);
minorVersion = Convert.ToInt32(splitResult[1]);
}
if (IsWindows10())
{
majorVersion = 10;
minorVersion = 0;
}
}
switch (osVersion.Platform)
{
case PlatformID.Win32S:
name = "Windows 3.1";
break;
case PlatformID.WinCE:
name = "Windows CE";
break;
case PlatformID.Win32Windows:
{
if (majorVersion == 4)
{
string csdVersion = osVersionInfo.szCSDVersion;
switch (minorVersion)
{
case 0:
if (csdVersion == "B" || csdVersion == "C")
name = "Windows 95 OSR2";
else
name = "Windows 95";
break;
case 10:
if (csdVersion == "A")
name = "Windows 98 Second Edition";
else
name = "Windows 98";
break;
case 90:
name = "Windows Me";
break;
}
}
break;
}
case PlatformID.Win32NT:
{
byte productType = osVersionInfo.wProductType;
switch (majorVersion)
{
case 3:
name = "Windows NT 3.51";
break;
case 4:
switch (productType)
{
case 1:
name = "Windows NT 4.0";
break;
case 3:
name = "Windows NT 4.0 Server";
break;
}
break;
case 5:
switch (minorVersion)
{
case 0:
name = "Windows 2000";
break;
case 1:
name = "Windows XP";
break;
case 2:
name = "Windows Server 2003";
break;
}
break;
case 6:
switch (minorVersion)
{
case 0:
switch (productType)
{
case 1:
name = "Windows Vista";
break;
case 3:
name = "Windows Server 2008";
break;
}
break;
case 1:
switch (productType)
{
case 1:
name = "Windows 7";
break;
case 3:
name = "Windows Server 2008 R2";
break;
}
break;
case 2:
switch (productType)
{
case 1:
name = "Windows 8";
break;
case 3:
name = "Windows Server 2012";
break;
}
break;
case 3:
switch (productType)
{
case 1:
name = "Windows 8.1";
break;
case 3:
name = "Windows Server 2012 R2";
break;
}
break;
}
break;
case 10:
switch (minorVersion)
{
case 0:
switch (productType)
{
case 1:
name = "Windows 10";
break;
case 3:
name = "Windows Server 2016";
break;
}
break;
}
break;
}
break;
}
}
}
s_Name = name;
return name;
}
}
#endregion NAME
#region PINVOKE
#region GET
#region PRODUCT INFO
[DllImport("Kernel32.dll")]
internal static extern bool GetProductInfo(
int osMajorVersion,
int osMinorVersion,
int spMajorVersion,
int spMinorVersion,
out int edition);
#endregion PRODUCT INFO
#region VERSION
[DllImport("kernel32.dll")]
private static extern bool GetVersionEx(ref OSVERSIONINFOEX osVersionInfo);
#endregion VERSION
#region SYSTEMMETRICS
[DllImport("user32")]
public static extern int GetSystemMetrics(int nIndex);
#endregion SYSTEMMETRICS
#region SYSTEMINFO
[DllImport("kernel32.dll")]
public static extern void GetSystemInfo([MarshalAs(UnmanagedType.Struct)] ref SYSTEM_INFO lpSystemInfo);
[DllImport("kernel32.dll")]
public static extern void GetNativeSystemInfo([MarshalAs(UnmanagedType.Struct)] ref SYSTEM_INFO lpSystemInfo);
#endregion SYSTEMINFO
#endregion GET
#region OSVERSIONINFOEX
[StructLayout(LayoutKind.Sequential)]
private struct OSVERSIONINFOEX
{
public int dwOSVersionInfoSize;
public int dwMajorVersion;
public int dwMinorVersion;
public int dwBuildNumber;
public int dwPlatformId;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
public string szCSDVersion;
public short wServicePackMajor;
public short wServicePackMinor;
public short wSuiteMask;
public byte wProductType;
public byte wReserved;
}
#endregion OSVERSIONINFOEX
#region SYSTEM_INFO
[StructLayout(LayoutKind.Sequential)]
public struct SYSTEM_INFO
{
internal _PROCESSOR_INFO_UNION uProcessorInfo;
public uint dwPageSize;
public IntPtr lpMinimumApplicationAddress;
public IntPtr lpMaximumApplicationAddress;
public IntPtr dwActiveProcessorMask;
public uint dwNumberOfProcessors;
public uint dwProcessorType;
public uint dwAllocationGranularity;
public ushort dwProcessorLevel;
public ushort dwProcessorRevision;
}
#endregion SYSTEM_INFO
#region _PROCESSOR_INFO_UNION
[StructLayout(LayoutKind.Explicit)]
public struct _PROCESSOR_INFO_UNION
{
[FieldOffset(0)]
internal uint dwOemId;
[FieldOffset(0)]
internal ushort wProcessorArchitecture;
[FieldOffset(2)]
internal ushort wReserved;
}
#endregion _PROCESSOR_INFO_UNION
#region 64 BIT OS DETECTION
[DllImport("kernel32", SetLastError = true, CallingConvention = CallingConvention.Winapi)]
public extern static IntPtr LoadLibrary(string libraryName);
[DllImport("kernel32", SetLastError = true, CallingConvention = CallingConvention.Winapi)]
public extern static IntPtr GetProcAddress(IntPtr hwnd, string procedureName);
#endregion 64 BIT OS DETECTION
#region PRODUCT
private const int PRODUCT_UNDEFINED = 0x00000000;
private const int PRODUCT_ULTIMATE = 0x00000001;
private const int PRODUCT_HOME_BASIC = 0x00000002;
private const int PRODUCT_HOME_PREMIUM = 0x00000003;
private const int PRODUCT_ENTERPRISE = 0x00000004;
private const int PRODUCT_HOME_BASIC_N = 0x00000005;
private const int PRODUCT_BUSINESS = 0x00000006;
private const int PRODUCT_STANDARD_SERVER = 0x00000007;
private const int PRODUCT_DATACENTER_SERVER = 0x00000008;
private const int PRODUCT_SMALLBUSINESS_SERVER = 0x00000009;
private const int PRODUCT_ENTERPRISE_SERVER = 0x0000000A;
private const int PRODUCT_STARTER = 0x0000000B;
private const int PRODUCT_DATACENTER_SERVER_CORE = 0x0000000C;
private const int PRODUCT_STANDARD_SERVER_CORE = 0x0000000D;
private const int PRODUCT_ENTERPRISE_SERVER_CORE = 0x0000000E;
private const int PRODUCT_ENTERPRISE_SERVER_IA64 = 0x0000000F;
private const int PRODUCT_BUSINESS_N = 0x00000010;
private const int PRODUCT_WEB_SERVER = 0x00000011;
private const int PRODUCT_CLUSTER_SERVER = 0x00000012;
private const int PRODUCT_HOME_SERVER = 0x00000013;
private const int PRODUCT_STORAGE_EXPRESS_SERVER = 0x00000014;
private const int PRODUCT_STORAGE_STANDARD_SERVER = 0x00000015;
private const int PRODUCT_STORAGE_WORKGROUP_SERVER = 0x00000016;
private const int PRODUCT_STORAGE_ENTERPRISE_SERVER = 0x00000017;
private const int PRODUCT_SERVER_FOR_SMALLBUSINESS = 0x00000018;
private const int PRODUCT_SMALLBUSINESS_SERVER_PREMIUM = 0x00000019;
private const int PRODUCT_HOME_PREMIUM_N = 0x0000001A;
private const int PRODUCT_ENTERPRISE_N = 0x0000001B;
private const int PRODUCT_ULTIMATE_N = 0x0000001C;
private const int PRODUCT_WEB_SERVER_CORE = 0x0000001D;
private const int PRODUCT_MEDIUMBUSINESS_SERVER_MANAGEMENT = 0x0000001E;
private const int PRODUCT_MEDIUMBUSINESS_SERVER_SECURITY = 0x0000001F;
private const int PRODUCT_MEDIUMBUSINESS_SERVER_MESSAGING = 0x00000020;
private const int PRODUCT_SERVER_FOUNDATION = 0x00000021;
private const int PRODUCT_HOME_PREMIUM_SERVER = 0x00000022;
private const int PRODUCT_SERVER_FOR_SMALLBUSINESS_V = 0x00000023;
private const int PRODUCT_STANDARD_SERVER_V = 0x00000024;
private const int PRODUCT_DATACENTER_SERVER_V = 0x00000025;
private const int PRODUCT_ENTERPRISE_SERVER_V = 0x00000026;
private const int PRODUCT_DATACENTER_SERVER_CORE_V = 0x00000027;
private const int PRODUCT_STANDARD_SERVER_CORE_V = 0x00000028;
private const int PRODUCT_ENTERPRISE_SERVER_CORE_V = 0x00000029;
private const int PRODUCT_HYPERV = 0x0000002A;
private const int PRODUCT_STORAGE_EXPRESS_SERVER_CORE = 0x0000002B;
private const int PRODUCT_STORAGE_STANDARD_SERVER_CORE = 0x0000002C;
private const int PRODUCT_STORAGE_WORKGROUP_SERVER_CORE = 0x0000002D;
private const int PRODUCT_STORAGE_ENTERPRISE_SERVER_CORE = 0x0000002E;
private const int PRODUCT_STARTER_N = 0x0000002F;
private const int PRODUCT_PROFESSIONAL = 0x00000030;
private const int PRODUCT_PROFESSIONAL_N = 0x00000031;
private const int PRODUCT_SB_SOLUTION_SERVER = 0x00000032;
private const int PRODUCT_SERVER_FOR_SB_SOLUTIONS = 0x00000033;
private const int PRODUCT_STANDARD_SERVER_SOLUTIONS = 0x00000034;
private const int PRODUCT_STANDARD_SERVER_SOLUTIONS_CORE = 0x00000035;
private const int PRODUCT_SB_SOLUTION_SERVER_EM = 0x00000036;
private const int PRODUCT_SERVER_FOR_SB_SOLUTIONS_EM = 0x00000037;
private const int PRODUCT_SOLUTION_EMBEDDEDSERVER = 0x00000038;
private const int PRODUCT_SOLUTION_EMBEDDEDSERVER_CORE = 0x00000039;
//private const int ???? = 0x0000003A;
private const int PRODUCT_ESSENTIALBUSINESS_SERVER_MGMT = 0x0000003B;
private const int PRODUCT_ESSENTIALBUSINESS_SERVER_ADDL = 0x0000003C;
private const int PRODUCT_ESSENTIALBUSINESS_SERVER_MGMTSVC = 0x0000003D;
private const int PRODUCT_ESSENTIALBUSINESS_SERVER_ADDLSVC = 0x0000003E;
private const int PRODUCT_SMALLBUSINESS_SERVER_PREMIUM_CORE = 0x0000003F;
private const int PRODUCT_CLUSTER_SERVER_V = 0x00000040;
private const int PRODUCT_EMBEDDED = 0x00000041;
private const int PRODUCT_STARTER_E = 0x00000042;
private const int PRODUCT_HOME_BASIC_E = 0x00000043;
private const int PRODUCT_HOME_PREMIUM_E = 0x00000044;
private const int PRODUCT_PROFESSIONAL_E = 0x00000045;
private const int PRODUCT_ENTERPRISE_E = 0x00000046;
private const int PRODUCT_ULTIMATE_E = 0x00000047;
//private const int PRODUCT_UNLICENSED = 0xABCDABCD;
#endregion PRODUCT
#region VERSIONS
private const int VER_NT_WORKSTATION = 1;
private const int VER_NT_DOMAIN_CONTROLLER = 2;
private const int VER_NT_SERVER = 3;
private const int VER_SUITE_SMALLBUSINESS = 1;
private const int VER_SUITE_ENTERPRISE = 2;
private const int VER_SUITE_TERMINAL = 16;
private const int VER_SUITE_DATACENTER = 128;
private const int VER_SUITE_SINGLEUSERTS = 256;
private const int VER_SUITE_PERSONAL = 512;
private const int VER_SUITE_BLADE = 1024;
#endregion VERSIONS
#endregion PINVOKE
#region VERSION
#region BUILD
///
/// Gets the build version number of the operating system running on this computer.
///
static public int BuildVersion
{
get
{
return int.Parse(RegistryRead(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion", "CurrentBuildNumber", "0"));
}
}
#endregion BUILD
#region FULL
#region STRING
///
/// Gets the full version string of the operating system running on this computer.
///
static public string VersionString
{
get
{
return Version.ToString();
}
}
#endregion STRING
#region VERSION
///
/// Gets the full version of the operating system running on this computer.
///
static public Version Version
{
get
{
return new Version(MajorVersion, MinorVersion, BuildVersion, RevisionVersion);
}
}
#endregion VERSION
#endregion FULL
#region MAJOR
///
/// Gets the major version number of the operating system running on this computer.
///
static public int MajorVersion
{
get
{
if(IsWindows10())
{
return 10;
}
string exactVersion = RegistryRead(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion", "CurrentVersion", "");
if(!string.IsNullOrEmpty(exactVersion))
{
string[] splitVersion = exactVersion.Split('.');
return int.Parse(splitVersion[0]);
}
return Environment.OSVersion.Version.Major;
}
}
#endregion MAJOR
#region MINOR
///
/// Gets the minor version number of the operating system running on this computer.
///
static public int MinorVersion
{
get
{
if (IsWindows10())
{
return 0;
}
string exactVersion = RegistryRead(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion", "CurrentVersion", "");
if (!string.IsNullOrEmpty(exactVersion))
{
string[] splitVersion = exactVersion.Split('.');
return int.Parse(splitVersion[1]);
}
return Environment.OSVersion.Version.Minor;
}
}
#endregion MINOR
#region REVISION
///
/// Gets the revision version number of the operating system running on this computer.
///
static public int RevisionVersion
{
get
{
if(IsWindows10())
{
return 0;
}
return Environment.OSVersion.Version.Revision;
}
}
#endregion REVISION
#endregion VERSION
#region Windows 10 Detection
private static bool IsWindows10()
{
string productName = RegistryRead(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion", "ProductName", "");
if (productName.StartsWith("Windows 10", StringComparison.OrdinalIgnoreCase))
{
return true;
}
return false;
}
#endregion
#region Registry Methods
private static string RegistryRead(string RegistryPath, string Field, string DefaultValue)
{
string rtn = "";
string backSlash = "";
string newRegistryPath = "";
try
{
RegistryKey OurKey = null;
string[] split_result = RegistryPath.Split('\\');
if (split_result.Length > 0)
{
split_result[0] = split_result[0].ToUpper(); // Make the first entry uppercase...
if (split_result[0] == "HKEY_CLASSES_ROOT") OurKey = Registry.ClassesRoot;
else if (split_result[0] == "HKEY_CURRENT_USER") OurKey = Registry.CurrentUser;
else if (split_result[0] == "HKEY_LOCAL_MACHINE") OurKey = Registry.LocalMachine;
else if (split_result[0] == "HKEY_USERS") OurKey = Registry.Users;
else if (split_result[0] == "HKEY_CURRENT_CONFIG") OurKey = Registry.CurrentConfig;
if (OurKey != null)
{
for (int i = 1; i < split_result.Length; i++)
{
newRegistryPath += backSlash + split_result[i];
backSlash = "\\";
}
if (newRegistryPath != "")
{
//rtn = (string)Registry.GetValue(RegistryPath, "CurrentVersion", DefaultValue);
OurKey = OurKey.OpenSubKey(newRegistryPath);
rtn = (string)OurKey.GetValue(Field, DefaultValue);
OurKey.Close();
}
}
}
}
catch { }
return rtn;
}
#endregion Registry Methods
}
}