The following tables list the members exposed by UndoManager.
Public Constructors
| Name | Description | |
|---|---|---|
 | UndoManager Constructor | Creates a new undo action manager. |
Protected Fields
| Name | Description | |
|---|---|---|
 | actionCancelled | Specifies whether the pending action has been cancelled. |
| actionIsRedo | Specifies whether actionInProcess is being redone |
| actionIsUndo | Specifies whether actionInProcess is being undone |
| actionPending | Specifies whether an action is in progress (to prevent recursion). |
| maxLength | Specifies the maximum number of UndoAction objects to keep on the undo or redo stacks. |
| mredoList | Specifies the redo stack (last element is on top). |
| mundoList | Specifies the undo stack (last element is on top). |
| spreadView | Specifies the view passed to the constructor. |
Public Properties
| Name | Description | |
|---|---|---|
 | CanRedo | Gets whether Redo can redo an action. |
| CanUndo | Gets whether Undo can undo an action. |
| RedoList | Gets the list of UndoAction objects. |
| UndoList | Gets the list of UndoAction objects. |
Public Methods
| Name | Description | |
|---|---|---|
 | CancelAction | Cancels the current action in progress. |
| GetActionPending | Gets the current UndoAction pending completion. |
| PerformUndoAction | Performs the specified action (it can then be undone with Undo). |
| Redo | Overloaded. Redoes the last action undone with Undo and adds it to the undo list. |
| Undo | Overloaded. Undoes the last action done with PerformUndoAction and adds it to the redo list. |
Protected Methods
| Name | Description | |
|---|---|---|
 | PopRedo | Pops the top action from the redo stack. |
| PopUndo | Pops the top action from the undo stack. |
| PushRedo | Pushes the specified action onto the redo stack. |
| PushUndo | Pushes the specified action onto the undo stack. |
Public Events
| Name | Description | |
|---|---|---|
 | ActionComplete | Occurs when the undo or redo action is complete. |
| RedoComplete | Occurs when the redo action is complete. |
| UndoComplete | Occurs when the undo action is complete. |