GType gtk_builder_get_type_from_name ( GtkBuilder* builder, const char* type_name )
Looks up a type by name.
This is using the virtual function that
for that purpose. This is mainly used when implementing
GtkBuildable interface on a type.
type name to lookup
|The data is owned by the caller of the function|
|The string is a NUL terminated UTF-8 string|