Short Name: DefVal (Undo)
Requires: VI Scripting
Class: Control Properties
To Use: Create a property.
Default value of the control (LabVIEW variant).
This property behaves identically to writing the Default Value property except that LabVIEW records changes to this property if a transaction starts on the VI.
The following table lists the characteristics of this property.
| Data type | ![]() |
| Permissions | Write Only |
| Available in Run-Time Engine | No |
| Available in Real-Time Operating System | No |
| Settable when the VI is running | No |
| Loads the front panel into memory | No |
| Need to authenticate before use | No |
| Loads the block diagram into memory | No |
| Remote access allowed | Yes |