+ // adds an element to a property collection
+ virtual void AddToPropertyCollection( int objectID ,
+ const wxClassInfo *classInfo,
+ const wxPropertyInfo* propertyInfo ,
+ const wxxVariant &VariantValue) = 0;
+
+ // sets the corresponding property (value is an object)
+ virtual void AddToPropertyCollectionAsObject(int objectID,
+ const wxClassInfo *classInfo,
+ const wxPropertyInfo* propertyInfo ,
+ int valueObjectId) = 0;