/// <summary>
/// Removes the relate to the specified foreign class.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="foreignClass">The foreign class.</param>
/// <param name="role">The role.</param>
public static void Remove(this IFeatureLayer source, IObjectClass foreignClass, esriRelRole role)
{
IRelationshipClassCollectionEdit edit = (IRelationshipClassCollectionEdit)source;
IRelationshipClassCollection collection = (IRelationshipClassCollection)edit;
foreach (var relClass in collection.FindRelationshipClasses(foreignClass, role).AsEnumerable())
{
edit.RemoveRelationshipClass(relClass);
}
}
void IJoin.Perform()
{
_relClassEdit = (IRelationshipClassCollectionEdit)_featureLayer;
_relClassEdit.RemoveAllRelationshipClasses();
_geoFeatureLayer = (IGeoFeatureLayer)_featureLayer;
_dspRel = (IDisplayRelationshipClass)_geoFeatureLayer;
_memRelFact = new MemoryRelationshipClassFactoryClass();
IObjectClass tblObj = (IObjectClass)_table;
_relClass = _memRelFact.Open("test", _geoFeatureLayer.FeatureClass, _joinFieldOnLayer, tblObj, _joinFieldOnTable,
"Forwards", "Backwards", _cardinality);
_dspRel.DisplayRelationshipClass(_relClass, _type);
}
