![About UndoManager 1.png](images/About_UndoManager_1.png)
This topic lists some of the important properties and methods of the UndoManager class.
This topic contains the following sections:
The UndoManager class provides the functionality for performing undo/redo operations and maintaining the undo/redo history.
Performed operations are saved in history by adding UndoUnit instances to the UndoManager.
The following table summarizes the purpose and functionality of the UndoManager class key properties.
The following table summarizes the purpose and functionality of the UndoManager class key methods.
The following topics provide additional information related to this topic.