UndoManager Class

Definition

Namespace:

Microsoft.VisualStudio.Modeling

Assembly:

Microsoft.VisualStudio.Modeling.Sdk.dll

Summary description for UndoManager.

public ref class UndoManager : IDisposable

public class UndoManager : IDisposable

type UndoManager = class
    interface IDisposable

Public Class UndoManager
Implements IDisposable

Inheritance

Object

UndoManager

Implements

IDisposable

Constructors

UndoManager(Context)	constructor.
UndoManager(Store)	constructor.

Properties

CanUndoRedoCallbackCollection	CanUndoRedo voters.
Context	The Context that contains the UndoManager
InRedo	Return whether are not the undo manager is in the middle of a redo or not.
InUndo	Return whether are not the undo manager is in the middle of an undo or not.
MaxUndoableTransactions	Maximum number of undo items visible on the undo stack
RedoableTransactions	List of redoable TransactionItems maintained by the UndoManager.
RedoCount	Number of items in redo stack
Store	The Store that contains the UndoManager
TopmostUndoableTransaction	Return topmost transaction ID in undo stact
UndoableTransactions	List of undoable TransactionItems maintained by the UndoManager.
UndoCount	Number of items in undo stack.
UndoState	The state of Undo.

Methods

AddCanUndoRedoCallback(CanUndoRedoCallback)	Add CanUndoRedo voter.
AddUndoableAction(Transaction)	Add an undoable action to the undo stack. This will clear the redo stack.
Dispose()	Dispose method
Finalize()	Finalizer
Flush()	Flush the undo and redo stacks. If we are in the middle of a transaction, throw an exception.
FlushRedoStack()	Clears the redo stack.
Redo()	Redo the actions of the topmost transaction on the redo stack.
Redo(Guid)	Redo the actions committed in the transaction whose id is passed in. Make sure the id passed in is the transaction that is on top of the stack. Otherwise throw an exception.
RedoAllPossible()	Redo all possible transactions on redo stack.
RemoveCanUndoRedoCallback(CanUndoRedoCallback)	Remove CanUndoRedo voter.
Undo()	Undo the actions of the topmost transaction on undo stack.
Undo(Guid)	Undo the actions committed in the transaction whose id is passed in. Make sure the id passed in is the transaction that is on top of the stack. Otherwise throw an exception.
UndoAllPossible()	Undo all transactions in undo stack that can be undone.

Events

RedoStackFlushed	Allows clients to receive an event when the redo stack is flushed
UndoItemAdded	Event that is fired every time an undo item is added to the undo stack
UndoItemDiscarded	Event that is fired every time an undo item is discarded from the undo stack because the stack size exceeded the maximum number of undo items permitted.
UndoStackFlushed	Allows clients to receive an event when the undo stack is flushed