Short Name: Transaction.Undo
Requires: VI Scripting
Class: VI Methods
To Use: Create a method.
Undoes the last operation. This method is similar to selecting Edit»Undo.
The following table lists the characteristics of this method.
| Data type | No return value |
| Available in Run-Time Engine | No |
| Available in Real-Time Operating System | Yes |
| Settable when the VI is running | Yes |
| Loads the front panel into memory | No |
| Need to authenticate before use | No |
| Loads the block diagram into memory | No |
| Remote access allowed | Yes |
| Must wait until user interface is idle | No |
| Available with control VIs | Yes |
| Available with global VIs | Yes |
| Available with strict type definitions | No |
| Available with polymorphic VIs | No |