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Methods Reference for Removing UndoUnits from the History

Topic Overview

Purpose

This topic lists the available methods for removing the UndoUnit instances from the undo/redo history.

Required background

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

Topic Purpose

This topic lists some of the important properties and methods of the UndoManager class.

Methods Reference for Removing UndoUnits from the History

Introduction

The UndoManager class exposes methods for removing UndoUnit instances from the history.

Methods reference summary

The following table summarizes the purpose and functionality of the methods that removes items from the undo/redo history.

Method Description

Removes all items in the undo and redo history.

Removes all specified UndoUnit instances from the UndoHistory and RedoHistory collections.

If the UndoUnit is a member of an UndoTransaction and it is the last unit in the transaction, the transaction will be removed as well.

Related Content

Topics

The following topics provide additional information related to this topic.

Topic Purpose

This topic lists the available methods for adding an UndoUnit derived class object to the undo history.

This topic lists the methods that register/unregister a specific object to an UndoManager instance.

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

This topic lists the available methods and properties for performing undo/redo transactions.

This topic lists the available methods and properties related to the merging of undo/redo operations.

This topic lists the available commands in the Infragistics Undo/Redo Framework™.

This topic lists the available methods for suspending and resuming the saving of the undo/redo operations in history.

This topic lists the available methods and properties related to creating of a custom UndoUnit in the Infragistics Undo/Redo Framework™.