Disco.Services.Interop.ActiveDirectory.ADDiscoverForestServers.LoadForestServersAsync C# (CSharp) Метод

        public static Task<List<string>> LoadForestServersAsync()
        {
            if (ADDiscoverForestServers.ForestServers != null)
                return Task.FromResult(ADDiscoverForestServers.ForestServers);

            ScheduledTaskStatus status;
            lock (_scheduleLock)
            {
                if (ADDiscoverForestServers.ForestServers != null)
                    return Task.FromResult(ADDiscoverForestServers.ForestServers);

                status = ADDiscoverForestServers.ScheduleNow();
            }

            return status.CompletionTask.ContinueWith(t =>
            {
                return ADDiscoverForestServers.ForestServers;
            });
        }