首页 / API 参考 / StockSharp.Reporting FormatExtensions StockSharp.Reporting Format extensions. 方法 Format(TimeSpan?) : string To format the TimeSpan in String. time TimeSpan value. 返回值: String. Format(TimeSpan) : string To format the TimeSpan in String. time TimeSpan value. 返回值: String. Format(DateTime) : string To format the DateTime in String. time DateTime value. 返回值: String.