C# Source Code: Returning Operation System Information
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C# Source Code
Returning Operation System Information
By:
Andrew Baker
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Email the originator of this post
Date:
Friday, March 16, 2007
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2759
Category:
General/Framework
Article:
The code below returns information on which operating system your application is running on. using System; using System.Runtime.InteropServices; /// <summary> /// OperationSystemInfo Class /// </summary> public class OperationSystemInfo { [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; } [DllImport("kernel32.dll")] private static extern bool GetVersionEx(ref OSVERSIONINFOEX osVersionInfo); #region Private Constants 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 #region Public Methods /// <summary> /// Returns the product type of the operating system running on this computer. /// </summary> /// <returns>A string containing the the operating system product type.</returns> public static string GetOSProductType() { OSVERSIONINFOEX osVersionInfo = new OSVERSIONINFOEX(); OperatingSystem osInfo = Environment.OSVersion; osVersionInfo.dwOSVersionInfoSize = Marshal.SizeOf(typeof(OSVERSIONINFOEX)); if(!GetVersionEx(ref osVersionInfo)) { return ""; } else { if(osInfo.Version.Major == 4) { if(osVersionInfo.wProductType == VER_NT_WORKSTATION) { // Windows NT 4.0 Workstation return "Workstation"; } else if(osVersionInfo.wProductType == VER_NT_SERVER) { // Windows NT 4.0 Server return "Server"; } else { return ""; } } else if(osInfo.Version.Major == 5) { if(osVersionInfo.wProductType == VER_NT_WORKSTATION) { if((osVersionInfo.wSuiteMask & VER_SUITE_PERSONAL) == VER_SUITE_PERSONAL) { // Windows XP Home Edition return "Home Edition"; } else { // Windows XP / Windows 2000 Professional return "Professional"; } } else if(osVersionInfo.wProductType == VER_NT_SERVER) { if(osInfo.Version.Minor == 0) { if((osVersionInfo.wSuiteMask & VER_SUITE_DATACENTER) == VER_SUITE_DATACENTER) { // Windows 2000 Datacenter Server return "Datacenter Server"; } else if((osVersionInfo.wSuiteMask & VER_SUITE_ENTERPRISE) == VER_SUITE_ENTERPRISE) { // Windows 2000 Advanced Server return "Advanced Server"; } else { // Windows 2000 Server return "Server"; } } else { if((osVersionInfo.wSuiteMask & VER_SUITE_DATACENTER) == VER_SUITE_DATACENTER) { // Windows Server 2003 Datacenter Edition return "Datacenter Edition"; } else if((osVersionInfo.wSuiteMask & VER_SUITE_ENTERPRISE) == VER_SUITE_ENTERPRISE) { // Windows Server 2003 Enterprise Edition return "Enterprise Edition"; } else if((osVersionInfo.wSuiteMask & VER_SUITE_BLADE) == VER_SUITE_BLADE) { // Windows Server 2003 Web Edition return "Web Edition"; } else { // Windows Server 2003 Standard Edition return "Standard Edition"; } } } } } return ""; } /// <summary> /// Returns the service pack information of the operating system running on this computer. /// </summary> /// <returns>A string containing the the operating system service pack information.</returns> public static string GetOSServicePack() { OSVERSIONINFOEX osVersionInfo = new OSVERSIONINFOEX(); osVersionInfo.dwOSVersionInfoSize = Marshal.SizeOf(typeof(OSVERSIONINFOEX)); if(!GetVersionEx(ref osVersionInfo)) { return ""; } else { return " " + osVersionInfo.szCSDVersion; } } /// <summary> /// Returns the name of the operating system running on this computer. /// </summary> /// <returns>A string containing the the operating system name.</returns> public static string GetOSName() { OperatingSystem osInfo = Environment.OSVersion; string osName = "UNKNOWN"; switch(osInfo.Platform) { case PlatformID.Win32Windows: { switch(osInfo.Version.Minor) { case 0: { osName = "Windows 95"; break; } case 10: { if(osInfo.Version.Revision.ToString() == "2222A") { osName = "Windows 98 Second Edition"; } else { osName = "Windows 98"; } break; } case 90: { osName = "Windows Me"; break; } } break; } case PlatformID.Win32NT: { switch(osInfo.Version.Major) { case 3: { osName = "Windows NT 3.51"; break; } case 4: { osName = "Windows NT 4.0"; break; } case 5: { if(osInfo.Version.Minor == 0) { osName = "Windows 2000"; } else if(osInfo.Version.Minor == 1) { osName = "Windows XP"; } else if(osInfo.Version.Minor == 2) { osName = "Windows Server 2003"; } break; } case 6: { osName = "Windows Vista"; break; } } break; } } return osName; } #endregion #region Public Properties /// <summary> /// Gets the full version of the operating system running on this computer. /// </summary> public static string OSVersion { get { return Environment.OSVersion.Version.ToString(); } } /// <summary> /// Gets the major version of the operating system running on this computer. /// </summary> public static int OSMajorVersion { get { return Environment.OSVersion.Version.Major; } } /// <summary> /// Gets the minor version of the operating system running on this computer. /// </summary> public static int OSMinorVersion { get { return Environment.OSVersion.Version.Minor; } } /// <summary> /// Gets the build version of the operating system running on this computer. /// </summary> public static int OSBuildVersion { get { return Environment.OSVersion.Version.Build; } } /// <summary> /// Gets the revision version of the operating system running on this computer. /// </summary> public static int OSRevisionVersion { get { return Environment.OSVersion.Version.Revision; } } #endregion }
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