C# 获取操作系统信息

参见微软官方 https://docs.microsoft.com/en-us/windows/win32/sysinfo/operating-system-version
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;

namespace ConsoleApplication4
{
    class Program
    {
        static void Main(string[] args)
        {
            var osInfo = OSHelper.getCurrentOSInfo();
            Console.WriteLine("Version:" + osInfo.Version.ToString());
            Console.WriteLine("Name:" + string.Join("|", osInfo.Items.Select(x => x.Name)));
            Console.ReadLine();
        }
    }

    public static class OSHelper
    {
        public class OSInfo
        {
            public OSInfo(Version version, List items)
            {
                this.Version = version;
                this.Items = items;
            }

            public Version Version { get; private set; }
            public List Items { get; private set; }
        }

        public class OSItem
        {
            public OSItem(string name, Version version, bool isServer)
            {
                this.Name = name;
                this.Version = version;
                this.IsServer = isServer;
            }

            public string Name { get; private set; }
            public Version Version { get; private set; }
            public bool IsServer { get; private set; }
        }

        [DllImport("shlwapi.dll", SetLastError = true, EntryPoint = "#437")]
        private static extern bool IsOS(int os);

        const int OS_ANYSERVER = 29;

        private static bool IsWindowsServer()
        {
            return IsOS(OS_ANYSERVER);
        }

        public static OSInfo GetOSInfoFromVersion(Version ver)
        { 
            var osList = new List();
            osList.Add(new OSItem("Windows 10", new Version("10.0"), false));
            osList.Add(new OSItem("Windows Server 2019", new Version("10.0"), true));
            osList.Add(new OSItem("Windows Server 2016", new Version("10.0"), true));
            osList.Add(new OSItem("Windows 8.1", new Version("6.3"), false));
            osList.Add(new OSItem("Windows Server 2012 R2", new Version("6.3"), true));
            osList.Add(new OSItem("Windows 8", new Version("6.2"), false));
            osList.Add(new OSItem("Windows Server 2012", new Version("6.2"), true));
            osList.Add(new OSItem("Windows 7", new Version("6.1 "), false));
            osList.Add(new OSItem("Windows Server 2008 R2", new Version("6.1"), true));
            osList.Add(new OSItem("Windows Server 2008", new Version("6.0"), true));
            osList.Add(new OSItem("Windows Vista", new Version("6.0"), false));
            osList.Add(new OSItem("Windows Server 2003 R2", new Version("5.2"), true));
            osList.Add(new OSItem("Windows Server 2003", new Version("5.2"), true));
            osList.Add(new OSItem("Windows XP 64-Bit Edition", new Version("5.2"), false));
            osList.Add(new OSItem("Windows XP", new Version("5.1"), false));
            osList.Add(new OSItem("Windows 2000", new Version("5.0"), false));

            var os = osList.GroupBy(x => x.Version)
                .ToDictionary(k => k.Key, v => v.ToList());

            var minVersion = os.FirstOrDefault(x => x.Key == os.Min(y => y.Key));
            var maxVersion = os.FirstOrDefault(x => x.Key == os.Max(y => y.Key));

            if (ver  minVersion.Key)
                return new OSInfo(minVersion.Key, minVersion.Value.ToList());

            if (ver > os.Max(x => x.Key))
                return new OSInfo(maxVersion.Key, maxVersion.Value.ToList());

            var item = os.OrderByDescending(x => x.Key).SkipWhile(x => x.Key > ver).FirstOrDefault();
            return new OSInfo(item.Key, item.Value.ToList());
        }

        public static OSInfo getCurrentOSInfo()
        {
            var isServer = IsWindowsServer();
            var osInfo = GetOSInfoFromVersion(Environment.OSVersion.Version);
            var osItems = new List();
            foreach (var osItem in osInfo.Items)
            {
                if (osItem.IsServer == isServer)
                    osItems.Add(osItem);
            }
            return new OSInfo(osInfo.Version, osItems);
        }
    }
}

xml version="1.0" encoding="utf-8"?>
asmv1:assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1" xmlns:asmv1="urn:schemas-microsoft-com:asm.v1" xmlns:asmv2="urn:schemas-microsoft-com:asm.v2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  assemblyIdentity version="1.0.0.0" name="MyApplication.app"/>
  trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
    security>
      requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
        
        requestedExecutionLevel level="asInvoker" uiAccess="false" />
      requestedPrivileges>
    security>
  trustInfo>
  
  compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
    application>
      

      
      supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
      
    application>
  compatibility>
  
  
  

asmv1:assembly>