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## Abstract Base Classes

GtkBin — A container with just one child
GtkBox — Base class for box containers
GtkButtonBox — Base class for GtkHButtonBox and GtkVButtonBox
GtkContainer — Base class for widgets which contain other widgets
GtkItem — Abstract base class for GtkMenuItem, GtkListItem and GtkTreeItem
GtkMisc — Base class for widgets with alignments and padding
GtkObject — The base class of the GTK+ type hierarchy
GtkPaned — Base class for widgets with two adjustable panes
GtkRange — Base class for widgets which visualize an adjustment
GtkScale — Base class for GtkHScale and GtkVScale
GtkScrollbar — Base class for GtkHScrollbar and GtkVScrollbar
GtkSeparator — Base class for GtkHSeparator and GtkVSeparator
GtkWidget — Base class for all widgets
GtkIMContext — Base class for input method contexts