Modifies the value of a specified descriptor record field.
ODBC.bdh
OdbcSetDescField( in hDescriptor : number, in nRecord : number, in nIdentifier : number, in sValue : string ): boolean;
true if successful
false otherwise
Parameter | Description |
---|---|
hDescriptor | Descriptor handle that refers to a previously allocated descriptor information storage buffer. |
nRecord | Descriptor record to modify. If any field of the descriptor header record is specified in the nIdentifier parameter, this parameter is ignored. Otherwise, this parameter should contain a number greater than or equal to 0. Descriptor records are numbered, starting at 0, with record 0 being the bookmark record. |
nIdentifier |
Field of the descriptor header record or descriptor parameter/column record whose value is to be modified. This parameter must be set to one of the following values:
|
sValue | New value of the descriptor record field. |