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TACRBlobStream.Create
TACRBlobStream
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Creates an instance of TACRBlobStream.

constructor Create(Field: TBlobField; Mode: TBlobStreamMode);

Description
Call Create to obtain an instance of TACRBlobStream for reading from or writing to a specific TBlobField object.

Create links the TACRBlobStream to the field object specified by the Field parameter. Mode specifies whether the BLOB stream will be used to read data (bmRead), write data (bmWrite) or modify data (bmReadWrite). Mode must be one of the following values:

Value
Meaning
bmRead
Enables the BLOB stream to read data from the field.
bmWrite
Enables the BLOB stream to replace the data in the field.
bmReadWrite
Enables the BLOB stream to modify the data in the field.


Note: A TACRBlobStream object should always be destroyed before navigating to a new record. Create a new instance of TACRBlobStream for the new record.


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