OpenTween.TweenMain.RetweetAsyncInternal C# (CSharp) Method

        private async Task RetweetAsyncInternal(IProgress<string> p, CancellationToken ct, IReadOnlyList<long> statusIds)
        {
            if (ct.IsCancellationRequested)
                return;

            if (!CheckAccountValid())
                throw new WebApiException("Auth error. Check your account");

            bool read;
            if (!this._cfgCommon.UnreadManage)
                read = true;
            else
                read = this._initial && this._cfgCommon.Read;

            p.Report("Posting...");

            foreach (var statusId in statusIds)
            {
                await this.tw.PostRetweet(statusId, read).ConfigureAwait(false);
            }

            if (ct.IsCancellationRequested)
                return;

            p.Report(Properties.Resources.PostWorker_RunWorkerCompletedText4);

            this._postTimestamps.Add(DateTime.Now);

            var oneHour = DateTime.Now - TimeSpan.FromHours(1);
            foreach (var i in MyCommon.CountDown(this._postTimestamps.Count - 1, 0))
            {
                if (this._postTimestamps[i] < oneHour)
                    this._postTimestamps.RemoveAt(i);
            }
        }