XControl formatting

Hello

I create an XControl which has a DBL indicator.  I created a VI for the Xcontrol reading get the text of the label of the instance the XControl by getting the Refnum of the State of the container, wiring to a Ctl property node and read the Label.Text property property.  Which works very well.

Now, I would like to be able to programmatically control the format display and precision for each instance of the XControl.  I created read format and precision properties in the XControl project, but I'm unable to set these values in the corresponding screw Xcontrol write.  I get the Refnum of the State of the container, but a Ctl refnum does not provide access to the properties display format or precision because not all controls have these properties.  If I cast to a more specific type of digital reference before you wire it to a node property, I can wire to the properties of Format and precision, but I get a runtime error saying

"Error 1057 occurred to the property node in Test digital X Control.vi

Possible reasons:

LabVIEW: Type mismatch: object cannot be cast to the specified type.

"Over a particular category in digital X Control.xctlcancellation Write.vi-> Digital Control.xctl Xcancellation Write.vi.ProxyCaller ' when the screw write run. »

This is a PNG image of the block diagram for the Write.vi of accuracy.

Hans

You take the bad reference.

The State of the container returns the reference for the XControl on the payable VI.

You must add the reference to the control on the face before of the façade VI.

Tone

Tags: NI Software

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