Specify the action taken when a referenced record in the foreign key
            database is deleted.
            
    Namespace: 
   BerkeleyDBAssembly: libdb_dotnet53 (in libdb_dotnet53.dll) Version: 5.3.28.0
 Syntax
Syntax
| C# | 
|---|
| public void SetForeignKeyConstraint( Database ForeignDB, ForeignKeyDeleteAction OnDelete, ForeignKeyNullifyDelegate NullifyFunc ) | 
| Visual Basic (Declaration) | 
|---|
| Public Sub SetForeignKeyConstraint ( _ ForeignDB As Database, _ OnDelete As ForeignKeyDeleteAction, _ NullifyFunc As ForeignKeyNullifyDelegate _ ) | 
| Visual C++ | 
|---|
| public: void SetForeignKeyConstraint( Database^ ForeignDB, ForeignKeyDeleteAction OnDelete, ForeignKeyNullifyDelegate^ NullifyFunc ) | 
Parameters
- ForeignDB
- Type: BerkeleyDB..::.Database
 The foreign key database.
- OnDelete
- Type: BerkeleyDB..::.ForeignKeyDeleteAction
 The action taken when a reference record is deleted.
- NullifyFunc
- Type: BerkeleyDB..::.ForeignKeyNullifyDelegate
 When OnDelete is NULLIFY, NullifyFunc is used to set the foreign key to null.





