The GUI Widgets tool contains the tree list of the whole GUI starting for the mainFrame (owned by GUI Object). It shows all the widgets contained into the GUI arranged in a hierarchical way. On the bottom of the list it is possible to select some operations to perform for editing the GUI:
Add Widget: Adds a new widget to the GUI. The widget is created at the end of the tree list.
Clone Widget: Clones the currently selected widget. It is cloned in the same level of the selected widget, in other words the cloned widget will have the same parent container of the selected widget.
Delete Widget: Deletes the currently selected widget
Show Selected: Show the selected widget with all its child widgets, if it is a Container
Show All: Show all the widgets of the GUI
Select Tree: Select the whole tree of widgets below the currently selected widget, if it is a Container
Put In Background: Place the currently selected widget at the beginning of the list of widgets of its parent, the effects of this is the GUI will draw the widget before all the others.