| Class | Description | |
|---|---|---|
 | CollectionChangeUndoUnit<T> | Custom UndoUnit for undoing changes to an ICollection. |
| CustomUndoUnit | Custom UndoUnit that takes a delegate that performs the execute operation. |
| DependencyPropertyChangeUndoUnit | Custom undo unit used to undo the result of a DependencyProperty change. |
| ObservableCollectionExtendedWithUndo<T> | Observable collection that supports adding collection change notifications to an UndoManager |
| PropertyChangeUndoUnit<TTarget,TProperty> | Custom undo unit used to undo the result of a property change. |
| PropertyChangeUndoUnitBase | Base class for an UndoUnit that changes the value of a single property. |
| UndoExecuteContext | Used to provide information to the UndoUnit while the UndoUnit.Execute method is being invoked. |
| UndoHistoryItem | Represents an item in the undo or redo history. |
| UndoManager | Class used to manage an undo/redo history. |
| UndoManagerCommandBase | Base class for a command for an UndoManager where the parameter may be a reference or an UndoManager |
| UndoManagerCommandSource | The command source for the UndoManager |
| UndoManagerHistoryItemCommand | Custom command used to execute an undo/redo for an UndoManager given a specific UndoHistoryItem |
| UndoManagerPreventMergeCommand | Custom command for invoking the UndoManager.ShouldPreventMerge method on an UndoManager |
| UndoManagerRedoCommand | Custom command for invoking the UndoManager.Redo method on an UndoManager |
| UndoManagerUndoCommand | Custom command for invoking the UndoManager.Undo method on an UndoManager |
| UndoMergeContext | Used to provide information about a potential merge operation to the UndoUnit.Merge method. |
| UndoTransaction | Custom UndoUnit that contains one or more UndoUnit |
| UndoUnit | Base class for an undo/redo operation. |
| UndoUnitFactory | Factory class for creating common UndoUnit instances for use in an UndoManager |
| Enumeration | Description | |
|---|---|---|
 | UndoExecuteReason | Enumeration used to identify the cause of the UndoUnit.Execute |
| UndoHistoryItemType | Used to indicate the type of operation that UndoHistoryItem represents. |
| UndoManagerCommandType | Enumeration used by an UndoManagerCommandSource to identify a command for a UndoManager instance. |
| UndoMergeAction | Used to identify the result of a call to UndoUnit.Merge |