This interface is used to listen to notifications from a DocumentUndoManager.
Interface for a document undo manager.
Describes document changes initiated by undo or redo.
A standard implementation of a document-based undo manager that creates an undo history based on changes to its document.
This document undo manager registry provides access to a document's undo manager.
Provides undo and redo support for a document.
When an IDocumentUndoManager is connected to an IDocument, any change to the document is recorded and can then be undone and redone later. Clients which are interested in undo/redo events can register an IDocumentUndoistener with the IDocumentUndoManager.
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