Is there anything like a front-panel OPEN or FP.STATE property for an RT (cRIO) VI?

I'm wondering if there is a way for an RT VI to detect when its front-panel is open, both when run interactively from within a project and also when accessed remotely as an embedded window within a browser?
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I know about the "Remote Panel:Connections to Clients" property and I'm already using that to tell whether a remote connection is active (as opposed to running the VI within the development environment). It cannot however tell if the front panel is open within the development environment.
As for the property-node returning an error, that does not appear to work here (perhaps I have selected the wrong property, I'm using the get-reference-to-front-panel property). I suspect that since the VI is setup to work with a remote front panel, the VI thinks that a front panel does exist even when a remote connection does not. I suspect this error check would work if the VI had not been setup for use with a remote connection because then the front panel would be stripped out as the VI was built or perhaps deployed to the RT system.

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