MyDAC

TCustomDADataSet.CreateBlobStream Method

Used to obtain a stream for reading data from or writing data to a BLOB field, specified by the Field parameter.

Class

TCustomDADataSet

Syntax

function CreateBlobStream(Field: TField; Mode: TBlobStreamMode): TStream; override;

Parameters
Field
Holds the BLOB field for reading data from or writing data to from a stream.
Mode
Holds the stream mode, for which the stream will be used.
Return Value
The BLOB Stream.

Remarks

Call the CreateBlobStream method to obtain a stream for reading data from or writing data to a BLOB field, specified by the Field parameter. It must be a TBlobField component. You can specify whether the stream will be used for reading, writing, or updating the contents of the field with the Mode parameter.

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