Provides undo and redo support for a document.
IDocumentUndoManager is connected to an
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
Interface Summary Interface Description IDocumentUndoListenerThis interface is used to listen to notifications from a DocumentUndoManager. IDocumentUndoManagerInterface for a document undo manager.
Class Summary Class Description DocumentUndoEventDescribes document changes initiated by undo or redo. DocumentUndoManagerA standard implementation of a document-based undo manager that creates an undo history based on changes to its document. DocumentUndoManagerRegistryThis document undo manager registry provides access to a document's undo manager.