public void put(LogType pLogType, string pMessage) { var wCurrentDateTime = DateTime.Now; var wPutData = $"[{wCurrentDateTime.ToString("yyyy/MM/dd")}]" + $"[{wCurrentDateTime.ToString("HH:mm:ss")}]" + $"[{pLogType.GetName()}]" + $"[{pMessage}]"; File.AppendAllLines(this._logFile, new[] { wPutData }, Encoding.GetEncoding("shift_jis")); }