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