VersionString

string System.OperatingSystem.VersionString

get

Definition at line 23 of file OperatingSystem.cs.

    {
        get
        {
            if (_versionString == null)
            {
                string value = _platform switch
                {
                    PlatformID.Win32S => "Microsoft Win32S ", 
                    PlatformID.Win32Windows => (_version.Major > 4 || (_version.Major == 4 && _version.Minor > 0)) ? "Microsoft Windows 98 " : "Microsoft Windows 95 ", 
                    PlatformID.Win32NT => "Microsoft Windows NT ", 
                    PlatformID.WinCE => "Microsoft Windows CE ", 
                    PlatformID.Unix => "Unix ", 
                    PlatformID.Xbox => "Xbox ", 
                    PlatformID.MacOSX => "Mac OS X ", 
                    PlatformID.Other => "Other ", 
                    _ => "<unknown> ", 
                };
                Span<char> span = stackalloc char[128];
                string versionString;
                if (!string.IsNullOrEmpty(_servicePack))
                {
                    IFormatProvider formatProvider = null;
                    IFormatProvider provider = formatProvider;
                    Span<char> span2 = span;
                    Span<char> initialBuffer = span2;
                    DefaultInterpolatedStringHandler handler = new DefaultInterpolatedStringHandler(1, 3, formatProvider, span2);
                    handler.AppendFormatted(value);
                    handler.AppendFormatted(_version.ToString(3));
                    handler.AppendLiteral(" ");
                    handler.AppendFormatted(_servicePack);
                    versionString = string.Create(provider, initialBuffer, ref handler);
                }
                else
                {
                    IFormatProvider formatProvider = null;
                    IFormatProvider provider2 = formatProvider;
                    Span<char> span2 = span;
                    Span<char> initialBuffer2 = span2;
                    DefaultInterpolatedStringHandler handler2 = new DefaultInterpolatedStringHandler(0, 2, formatProvider, span2);
                    handler2.AppendFormatted(value);
                    handler2.AppendFormatted(_version);
                    versionString = string.Create(provider2, initialBuffer2, ref handler2);
                }
                _versionString = versionString;
            }
            return _versionString;
        }
    }

Referenced by System.OperatingSystem.ToString().