Allow Undefined Strings Property

LabVIEW 2018 Help

Edition Date: March 2018
Part Number: 371361R-01
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Short Name: AllowUndefStrs

Requires: Base Development System

Class: ComboBox Properties

To Use: Create a property.

If TRUE, users can enter string values not already in the list of strings defined for the combo box control. If FALSE, users must select from the list of strings defined for the control.

This property is similar to the Allow Undefined Strings item on the shortcut menu of a combo box control and to the Allow undefined values at run time option on the Edit Items page of the Combo Box Properties dialog box.


The following table lists the characteristics of this property.

Data type
Available in Run-Time EngineYes
Available in Real-Time Operating SystemYes
Settable when the VI is runningYes
Loads the front panel into memoryYes
Need to authenticate before useNo
Loads the block diagram into memoryNo
Remote access allowedYes


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