Occurs before a relation is added to the database. There are two versions of the syntax.
PROCEDURE dbc_BeforeAddRelation(cRelationID, cTableName, cRelatedChild, cRelatedTable, cRelatedTag) |
PROCEDURE dbc_BeforeAddRelation LPARAMETERS cRelationID, cTableName, cRelatedChild, cRelatedTable, cRelatedTag |
Parameters
- cRelationID
- Specifies the Relation ID number stored in the database.
- cTableName
- Specifies the name of the parent table.
- cRelatedChild
- Specifies the name of the linked column.
- cRelatedTable
- Specifies the table containing the linked column.
- cRelatedTag
- Specifies the index tag of the parent table.
Remarks
You can use the dbc_BeforeAddRelation event to verify appropriate values for the parameters in a procedure that tracks, or manages access to the database before a relation is added to the database.
Return .F. from this procedure to prevent the relation from being added.