mono/netcore/System.Private.CoreLib/shared/System/Environment.WinRT.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using System.IO;
using Internal.Runtime.Augments;

namespace System
{
    public static partial class Environment
    {
        public static string UserName => "Windows User";

        public static string UserDomainName => "Windows Domain";

        private static string GetFolderPathCore(SpecialFolder folder, SpecialFolderOption option)
        {
            WinRTInteropCallbacks callbacks = WinRTInterop.UnsafeCallbacks;
            return callbacks != null && callbacks.IsAppxModel() ?
                callbacks.GetFolderPath(folder, option) :
                null;
        }
    }
}