Main private entry point for building composite components from template XML.
Most likely you do not need to call this function in applications as templates are handled by gtk.widget.Widget.
the object that is being extended
the type that the template is for
the string to parse
A positive value on success, 0 if an error occurred
ErrorWrap
Main private entry point for building composite components from template XML.
Most likely you do not need to call this function in applications as templates are handled by gtk.widget.Widget.