11TStringHash.AddReplacesExisting . . . . . . . . . . . . . . . . . . . . . . 669 24 Reference for unit ’iostream’ 670 24.1 Used units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 669 Chapter 24 Reference for unit ’iostream’ 24.1 Used units Table 24.1: Used units by unit ’iostream’ Name Page Classes ?? System ?? 24.2 Overview The iostream implements a descendent of THandleStream TIOStream (671), it determines what kind of stream is created. 670 CHAPTER 24. REFERENCE FOR UNIT ’IOSTREAM’ 24.4 EIOStreamError 24.4.1 Description Error thrown in case of an invalid operation on a TIOStream