Object Hierarchy

    GObject
        GtkObject
            GtkWidget
                GtkContainer
                    GtkBin
                        GtkWindow
                            GtkDialog
                                GnomeAbout
                                GnomeScores
                            GnomeApp
                            GnomeDialog
                                GnomeMessageBox
                                GnomePropertyBox
                        GtkButton
                            GnomeColorPicker
                            GnomeFontPicker
                            GnomeHRef
                        GnomeDruidPage
                            GnomeDruidPageEdge
                            GnomeDruidPageStandard
                    GtkBox
                        GtkHBox
                            GnomeAppBar
                            GnomeDateEdit
                            GtkCombo
                                GnomeEntry
                        GtkVBox
                            GnomeFileEntry
                                GnomePixmapEntry
                            GnomeIconEntry
                            GnomeIconSelection
                    GnomeDruid
                    GtkLayout
                        GnomeCanvas
                            GnomeIconList
                GtkMisc
                    GtkImage
                        GnomePixmap
                GtkEntry
            GnomeClient
            GnomeCanvasItem
                GnomeIconTextItem
            GnomeMDIChild
                GnomeMDIGenericChild
            GnomeMDI
            GtkAdjustment
        GtkStyle
        GdkDragContext
        GdkScreen
        GdkPixbuf
        GdkDrawable
            GdkPixmap
        GdkImage
        GdkPixbufAnimation
    GInterface
        AtkImplementorIface
        GtkEditable
        GtkCellEditable