| GTK+ Reference Manual | ||||
|---|---|---|---|---|
#include <gtk/gtk.h>
GtkBin;
GtkWidget* gtk_bin_get_child (GtkBin *bin);
GObject
+----GInitiallyUnowned
+----GtkObject
+----GtkWidget
+----GtkContainer
+----GtkBin
+----GtkWindow
+----GtkAlignment
+----GtkFrame
+----GtkButton
+----GtkItem
+----GtkComboBox
+----GtkEventBox
+----GtkExpander
+----GtkHandleBox
+----GtkToolItem
+----GtkScrolledWindow
+----GtkViewport
The GtkBin 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 GtkBin, including GtkWindow, GtkButton, GtkFrame, GtkHandleBox, and GtkScrolledWindow.