Constant class/Change to Control method

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VI Server Method Information
Method ID 634A802
Scope VI Scripting
Data Name Change to Control
Short Name* Change to Control
Long Name* Change to Control
* Displayed here in English. Short and Long names appear in the language of the LabVIEW IDE.
Owning Class ID 16386
Owning Class Name Constant Class
Return Data Type Control Refnum data type

Control Refnum

Invoke Node Change to Control
Available in Real-Time Operating SystemYes
Available in Run-Time EngineNo
Loads the block diagram into memoryNo
Loads the front panel into memoryNo
Need to authenticate before useNo
Remote access allowedYes
Settable when the VI is runningNo

Changes the constant to a control and returns a reference to the control. LabVIEW automatically closes the reference to the constant.


Data type Name Required Description
Control Refnum Change to Control Yes. Return value.



Version Change(s)
LabVIEW 2018 More info to come.

See Also

External Links