A container with just one child
<gtk-bin> widget is a container with just one child. It is not very
useful itself, but it is useful for deriving subclasses, since it provides
common code needed for handling a single child widget.
Many GTK+ widgets are subclasses of
<gtk-bin>) ⇒ (ret
Gets the child of the
<gtk-bin>, or ‘
#f’ if the bin contains no child widget. The returned widget does not have a reference added, so you do not need to unref it.
- pointer to child of the