## Object Hierarchy

        GObject
            GInitiallyUnowned
                GtkObject
                    GtkWidget
                        GtkContainer
                            GtkBox
                                GtkHBox
                                    GtkComboButton
                                        GtkBorderCombo
                                        GtkColorCombo
                                        GtkToggleCombo
                            GtkBin
                                GtkWindow
                                    GtkCharSelection
                                    GtkIconFileSel
                                GtkButton
                                    GtkToggleButton
                                        GtkCheckItem
                            GtkTextView
                                GtkDataTextView
                            GtkCList
                                GtkCTree
                                    GtkDirTree
                            GtkFixed
                                GtkIconList
                                    GtkFileList
                                GtkPlotCanvas
                            GtkToolbar
                                GtkFontCombo
                            GtkSheet
                        GtkEntry
                            GtkDataEntry
                            GtkItemEntry
                        GtkMisc
                            GtkPlot
                                GtkPlot3D
                                GtkPlotPolar
                        GtkPlotData
                            GtkPlotBar
                            GtkPlotBox
                            GtkPlotBubble
                            GtkPlotCandle
                            GtkPlotSurface
                                GtkPlotCSurface
                            GtkPlotFlux
                            GtkPlotPixmap
                            GtkPlotSegment
                        GtkSheetColumn
                    GtkPlotPC
                        GtkPlotCairo
                        GtkPlotGdk
                        GtkPlotPS
                    GtkPlotCanvasChild
                        GtkPlotCanvasEllipse
                        GtkPlotCanvasPixmap
                        GtkPlotCanvasPlot
                        GtkPlotCanvasRectangle
                        GtkPlotCanvasText
                    GtkPlotDT
                    GtkPlotAxis
            GtkPlotArray