In the recent training in Stellenbosch, we managed to include the
NetBeans Platform UndoRedo support in an application we worked on,
as
described in this tutorial. However, when we looked at the
Visual Library, the question was raised: "How would UndoRedo work
in a Visual Library scene?"
As you can see below, I managed to get it working. I.e., when a
widget is moved, the Undo action is enabled. When the Undo action
is invoked, the widget is returned to where it was prior to...