Find a binding set by its globally unique name.
The set_name can either be a name used for gtk.binding_set.BindingSet.new_ or the type name of a class used in gtk.binding_set.BindingSet.byClass.
unique binding set name
null or the specified binding set
Find a binding set by its globally unique name.
The set_name can either be a name used for gtk.binding_set.BindingSet.new_ or the type name of a class used in gtk.binding_set.BindingSet.byClass.