Async pickle

downloadsEachTMInParallel.cs

private static async Task<List<string>> DownloadTMXsAsync(List<TMInfo> tms)
        {
            List<Task> tasks = new List<Task>();
            List<string> tmxs = new List<string>();
            foreach (var tm in tms)
            {
                tasks.Add(Task.Run(async () =>
                {
                    var result = await _memoQTM.DownloadTMXAsync(".", tm.Guid);
                    if (result.status.Equals("ok", StringComparison.InvariantCultureIgnoreCase))
                        tmxs.Add(result.filename);
                }));
            }

            Task.WaitAll(tasks.ToArray());
            return tmxs;
        }

downloadsSameTMTwice.cs

private static async Task<(string, string)[]> DownloadTMXsAsync(List<TMInfo> tms)
        {
            return await Task.WhenAll(tms.Select(x => _memoQTM.DownloadTMXAsync(".", x.Guid)));
        }