TDBISAMBlobStream.Seek Method

Seek Method

function Seek(Offset: Integer; Origin: Word): Integer

Usage

Use Seek to move the current position within the BLOB field by the indicated offset. Seek allows an application to read from or write to a particular location within the BLOB field.

The Origin parameter indicates how to interpret the Offset parameter. Origin should be one of the following values:

Origin

Description

soFromBeginning	Offset is from the beginning of the BLOB field. Seek moves to the position Offset. Offset must be >= 0.
soFromCurrent	Offset is from the current position in the BLOB field. Seek moves to Position + Offset.
soFromEnd	Offset is from the end of the BLOB field. Offset must be <= 0 to indicate a number of bytes before the end of the BLOB.

Seek returns the new value of the Position property, the new current position in the BLOB field.

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