Returns a reference to the variable the referenced project item references. If the referenced project item is not a variable item, this property returns Not a Refnum. You can use this reference with the Variable properties to configure shared variables programmatically.

Note You can create, configure, and host shared variables only on Windows or RT targets with the LabVIEW Real Time Module. You can use the DataSocket VI and functions to read or write shared variables from other platforms.
Note The LabVIEW Datalogging and Supervisory Control Module supports this property in the Run-Time Engine.

Remarks

The following table lists the characteristics of this property.

Short Name VariableReference
Data type cvarrn.png
Permissions Read Only
Available in Run-Time Engine Yes
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