UndoManager Class

Represents the manager of the undo actions for the Spread component.

UndoManager

public class UndoManager

Public Class UndoManager

Name	Description
UndoManager(SpreadView, int)	Creates a new undo action manager.

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.

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.

Name	Description
CancelAction()	Cancels the current action in progress.
Execute(Command)	Executes the specified command.
Execute(Command[])	Executes the list of commands by it's order.
GetActionPending()	Gets the current UndoAction pending completion.
PerformUndoAction(UndoAction)	Performs the specified action (it can then be undone with Undo).
PopRedo()	Pops the top action from the redo stack.
PopUndo()	Pops the top action from the undo stack.
PushRedo(UndoAction)	Pushes the specified action onto the redo stack.
PushUndo(UndoAction, bool)	Pushes the specified action onto the undo stack.
Redo()	Redoes the last action undone with Undo and adds it to the undo list.
Redo(UndoAction)	Redoes all actions in the redo stack up to and including the specified action and adds it to the undo list.
Redo(int)	Redoes the specified number of actions and adds them to the undo list.
Undo()	Undoes the last action done with PerformUndoAction and adds it to the redo list.
Undo(UndoAction)	Undoes all actions in the undo stack up to and including the specified action and adds it to the redo list.
Undo(int)	Undoes the specified number of actions and adds them to the redo list.

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.