This trail presents how to enhance an editor type application with undo/redo support.
Enhancing an Editor Application With Undo/Redo Support — This lesson shows the general setup for the default undo/redo support as provided by class Graph2DUndoManager.
Customizing the Undo/Redo Support — In this lesson we will enhance the undo/redo support so that it also covers any changes to additional data associated with a graph element.
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