Inside TestStand, you can specify which LabWindows/CVI DLL to call by right-clicking your LabWindows/CVI step and selecting Specify Module
. Inside of this dialog box select Dynamic Link Library (*.dll)
. If you select a function that contains a numeric parameter that accepts an enumerated type, the Value Expression
control becomes a combo box from which you can select elements of the enumeration. You can either enter an enumeration symbol or its corresponding numeric value directly into the Value Expression control.
The following link contains an example:
Developer Zone Example: Using Code Module Enumerated Values in TestStand