The position of the stream is altered after the write, so there is no data to read.
Try seeking to the beginning before reading.
Try seeking to the beginning before reading.
Local mbank:TBank = CreateBank() Local mbstream:TBankStream = CreateBankStream (mbank) Local t:String = "Line" mbstream.WriteLine (t) mbstream.Seek(0) ' <------ t = mbstream.ReadLine() Print t