Unit 'nullstream'	Package
[Overview][Classes][Index]	[#fcl]

TNullStream.Seek

Set current position in the stream.

Declaration

Source position: nullstream.pp line 48

public function TNullStream.Seek(

const Offset: Int64;

Origin: TSeekOrigin

):Int64; override;

Arguments

`Offset`		Offset from origin, in bytes.
`Origin`		Origin of seek operation.

Function result

The new position.

Description

Seek sets the current position in the stream. It simulates this operation by keeping a "virtual" position. See #rtl.classes.TStream.Seek for more info about the arguments.

Errors

If the requested operation would cause the position to fall outside of the allowed range (0 to Size) then a ENullStreamError exception is raised.