Activating the undo command and specifying number of actions

You can specify whether you want to save actions for undoing and how many.

Note: If you are working with large networks, it might be advisable not to save any actions in order to save memory space.

1.  From the Edit menu, choose User Preferences.

The User preferences window opens.

2.  In the navigator, select Working environment > General.

3.  Make the desired changes.

Element

Description

Command history (Redo / Undo) active

If this option is selected, the most recently specified number of actions performed is saved. If you need to, you can undo and redo these.

If this option is not selected, no actions are saved. You cannot subsequently undo any actions later on.

Maximum number of entries in command history

The number of actions saved that you can undo. You can specify to save a maximum of 50 actions.