Methods Reference for Performing Undo Redo Operations

Topic Overview

This topic lists the available methods for performing undo and redo operations.

The following table lists the topics required as a prerequisite to understanding this topic.

Topic	Purpose
UndoManager Properties and Methods Reference	This topic lists some of the important properties and methods of the UndoManager class.
UndoHistoryItem Properties and Methods Reference	This topic lists the properties and methods of the UndoHistoryItem class.

This topic contains the following sections:

The Infragistics Undo/Redo Framework™ provides methods to perform undo and redo of the operations in the respective history.

The following table summarizes the purpose and functionality of the methods that perform undo and redo operations.

Method	Description
Redo	This is an UndoManager method that executes one or more redo operations from the current history.
Undo	This is an UndoManager method that executes one or more undo operations from the current history.
Execute	This is a UndoHistoryItem method that executes all the items in the associated history up to and including this instance. The type of operation that will be execute depends on the value of the ItemType property.

The following topics provide additional information related to this topic.

Topic	Purpose
Methods Reference for Adding UndoUnits to the Undo History	This topic lists the available methods for adding an UndoUnit derived class object to the undo history.
Methods Reference for Removing UndoUnits from the History	This topic lists the available methods for removing the UndoUnit instances from the undo/redo history.
Methods Reference for Registering and Unregistering Objects	This topic lists the methods that register/unregister a specific object to an UndoManager instance.
Methods and Properties Reference for Performing Transactions	This topic lists the available methods and properties for performing undo/redo transactions.
Methods and Properties Reference for Merging Undo Redo Operations	This topic lists the available methods and properties related to the merging of undo/redo operations.
Methods Reference for Suspending and Resuming Saving History	This topic lists the available methods for suspending and resuming the saving of the undo/redo operations in history.
Methods and Properties Reference for Creating Custom UndoUnit	This topic lists the available methods and properties related to creating of a custom UndoUnit in the Infragistics Undo/Redo Framework™.