OpenTween.TweenMain.GetVersionInfoAsync C# (CSharp) Method

        public async Task<VersionInfo> GetVersionInfoAsync()
        {
            var versionInfoUrl = new Uri(ApplicationSettings.VersionInfoUrl + "?" +
                DateTime.Now.ToString("yyMMddHHmmss") + Environment.TickCount);

            var responseText = await Networking.Http.GetStringAsync(versionInfoUrl)
                .ConfigureAwait(false);

            // 改行2つで前後パートを分割（前半がバージョン番号など、後半が詳細テキスト）
            var msgPart = responseText.Split(new[] { "\n\n", "\r\n\r\n" }, 2, StringSplitOptions.None);

            var msgHeader = msgPart[0].Split(new[] { "\n", "\r\n" }, StringSplitOptions.None);
            var msgBody = msgPart.Length == 2 ? msgPart[1] : "";

            msgBody = Regex.Replace(msgBody, "(?<!\r)\n", "\r\n"); // LF -> CRLF

            return new VersionInfo
            {
                Version = Version.Parse(msgHeader[0]),
                DownloadUri = new Uri(msgHeader[1]),
                ReleaseNote = msgBody,
            };
        }