C#每天定时生成文本文件(.csv)

/// <summary>
      /// 写日志
      /// </summary>
      /// <param name="strMsg"></param>
      /// <param name="strFileName"></param>
      public static void WriteLogContent(string strFileName,string strMsg)
      {
          try
          {
              strMsg += "        " + System.DateTime.Now + "\r\n";
              string strPath = System.AppDomain.CurrentDomain.BaseDirectory + "/" + strFileName;
              if (!File.Exists(strPath))
              {
                  Directory.CreateDirectory(strPath);
              }
              string sname = System.DateTime.Now.ToString("yyyy-MM-dd");
              FileStream fs = new FileStream(strPath + "/" + sname + ".csv", FileMode.OpenOrCreate, FileAccess.Write);
              StreamWriter sw = new StreamWriter(fs);
              sw.BaseStream.Seek(0, SeekOrigin.End);
              sw.Write(strMsg);
              sw.Flush();
              sw.Close();
          }
          catch
          { }
      }