Looks up a type by name, using the virtual function that #GtkBuilder has for that purpose. This is mainly used when implementing the #GtkBuildable interface on a type.
type name to lookup
the #GType found for type_name or #G_TYPE_INVALID if no type was found
Looks up a type by name, using the virtual function that #GtkBuilder has for that purpose. This is mainly used when implementing the #GtkBuildable interface on a type.