## Object Hierarchy

        GObject
            MgBase
                MgCondition
                MgContext
                MgDatabase
                MgDbConstraint
                MgDbField
                MgDbTable
                MgGraphviz
                MgHandlerBoolean
                MgHandlerCidr
                MgHandlerNone
                MgHandlerNumerical
                MgHandlerPassmd5
                MgHandlerString
                MgHandlerTime
                MgHandlerText
                MgJoin
                MgParameter
                MgQfield
                    MgQfAll
                    MgQfField
                    MgQfFunc
                    MgQfValue
                MgQuery
                MgRefBase
                MgResultSet
                MgServerAggregate
                MgServerDataType
                MgServerFunction
                MgTarget
                MgWorkCore
                MgGraph
                MgGraphItem
                MgCustomLayout
            MgConf
            GtkObject
                GtkCellRenderer
                    MgDataCellRendererInfo
                    GtkCellRendererText
                        MgDataCellRendererTextual
                    GtkCellRendererToggle
                        MgDataCellRendererBoolean
                GtkWidget
                    GtkContainer
                        GtkBox
                            GtkVBox
                                MgDbmsUpdateViewer
                                MgForm
                                MgSelector
                                MgWorkForm
                                MgWorkGrid
                                MgWorkMatrix
                                MgWorkLayout
                        GtkBin
                            GtkViewport
                                MgEntryShell
                                    MgEntryWrapper
                                        MgEntryBoolean
                                        MgEntryCidr
                                        MgEntryNone
                                        MgEntryPassmd5
                                        MgEntryString
                                        MgEntryTime
                                    MgEntryCombo
                        GtkLayout
                            GnomeCanvas
                                MgCanvas
                                    MgCanvasDbRelations
                GnomeCanvasItem
                    GnomeCanvasGroup
                        MgCanvasItem
                            MgCanvasCursor
                            MgCanvasText
                                MgCanvasField
                            MgCanvasEntity
                        MgCanvasTip
                GtkAdjustment
            GdaClient
                MgServer
            GtkStyle
            GdkDragContext
            GdkScreen
            GdkDrawable
        GInterface
            MgXmlStorage
            MgRenderer
            MgReferer
            MgDataEntry
            MgDataHandler
            MgField
            AtkImplementorIface
            MgEntity
            GtkCellEditable
            MgWorkWidget