| Function | Description | 
| findWidgetByType | Find widget in hierarchy by type | 
| gdkFlush | Flush Gtk events | 
| gdkGetWindowSize | Obtain dimensions of a Gtk window | 
| .getAutoMethodByName | Locates Gtk class methods for an object | 
| getSignalInfo | Information for all signals for multiple classes | 
| gtkAdd | Add Gtk wdget to parent container | 
| gtkAddCallback | Register and control a function as Gtk event handler | 
| gtkAddIdle | Control a background/idle function | 
| gtkAddTimeout | Control a periodic/timer function | 
| .GtkCall | A Gtk-specific .Call() | 
| gtkCheckInherits | Verify an object's class | 
| gtkChildren | Get child widgets of a Gtk container | 
| gtkComboSetPopdownStrings | Interface to Gtk routine. | 
| gtkDragSourceSet | Set a widget as a potential drop source or destination. | 
| gtkGetType | Get the GtkType object from a Gtk object or name | 
| gtkInit | One-time initialization of Gtk environment | 
| [[.GtkObject | Access a value within a Gtk object | 
| $.GtkObject | Find methods for an S-Gtk object | 
| gtkObjectGetArgs | Access properties of a Gtk object | 
| gtkObjectGetClasses | Dynamically Computes class information | 
| gtkObjectGetSignals | Retrieve information about available signals | 
| gtkObjectRef | Increment and decrement GtkObject references | 
| gtkObjectSignalEmit | Emit a Gtk signal from a Gtk object. | 
| gtkSelectionDataSet | Fill this in later | 
| gtkShow | Show/realize one or more Widgets | 
| gtkSignalGetInfo | Reflectance information about a Gtk signal | 
| gtkTargetEntry | Create a new target for drag-n-drop(?) | 
| gtkTextGetText | Access contents of Gtk text widget | 
| gtkTopWindow | Create a Gtk Window | 
| gtkWidgetGetAllocatedSize | Obtain dimensions allocated to a Gtk widget | 
| gtkWidgetGetFlags | Set and get GtkWidget flag values. | 
| names.GtkObject | Access information about properties of a GtkObject | 
| print.GtkType | Produce prettier output for a GtkType object |