Creates an instance of TABSBlobStream.
constructor Create(Field: TBlobField; Mode: TBlobStreamMode);
Description
Call Create to obtain an instance of TABSBlobStream for reading from or writing to a specific TBlobField object.
Create links the TABSBlobStream 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 TABSBlobStream object should always be destroyed before navigating to a new record. Create a new instance of TABSBlobStream for the new record.
|
|
