(gtk-container-child-get-property container child property-name gvalue)
(prog1 (parse-g-value gvalue)
(g-value-unset gvalue))))
(defun container-call-set-property (container child property-name new-value type)
(with-foreign-object (gvalue 'g-value)
(gtk-container-child-get-property container child property-name gvalue)
(prog1 (parse-g-value gvalue)
(g-value-unset gvalue))))
(defun container-call-set-property (container child property-name new-value type)
(with-foreign-object (gvalue 'g-value)