callback
on each child of container
, including children
that are considered "internal" (implementation details of the
container). "Internal" children generally weren't added by the user
of the container, but were added by the container implementation
itself. Most applications should use gtkContainerForeach
,
rather than gtkContainerForall
.gtkContainerForall(object, callback, callback.data = NULL)
object
callback
callback.data