pub trait RelationExt: 'static {
    fn add_target<P: IsA<Object>>(&self, target: &P);
    fn get_relation_type(&self) -> RelationType;
    fn remove_target<P: IsA<Object>>(&self, target: &P) -> bool;
    fn set_property_relation_type(&self, relation_type: RelationType);
    fn set_property_target(&self, target: Option<&ValueArray>);
    fn connect_property_relation_type_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId; fn connect_property_target_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F
    ) -> SignalHandlerId; }

Required Methods

Implementors