TabArrayTabControl façade object - what is this class?
I am trying to determine the status on the controls in a tab control. I can access the tab successfully by digging through the references for the Group and all the objects on the Panel, but the class that is returned is "TabArrayTabControl" (class, ID 55). When I try to access pages on this control by using the refnum and "to a more specific class" this class is not available as an option, and if I use "TabControl" the VI fails (error 1055 occurred at the more class specific in FAÇADE FIND CONTROLS.vi Possible reason (s): LabVIEW: object reference is not valid.). I tried to 'replace' the control with a simple "tab", and the problem persists.
(1) what is the distinction between a "TabControl" and a "TabArrayTabControl".
(2) how to fix the problem?
Thank you
Gavin Braithwaite wrote:
Sorry, just to complete:
I tried to access specific controls within the tabs and without knowing exactly what they are, or which page of the tab, they were on (it's a long story!). So as far as I can see, the way to do is to generate a refnum at the façade of a VI and then use this refnum for control of the "allObjs" tab to find the tab control. However, as I read elsewhere I then had to use "for a specific class' in conjunction with a class tabcontrol to give a refnum I could use to access the individual tab pages. It does not work (now that I corrected my error in my previous post), but I'm still at a loss to explain what a class of TabArrayTabControl is...
I can't answer that Q hand. Since you're at foot of a trail, I tread, I offer this nugget for your comment. In this nugget that I try to offer some advice on the use of control references, including the great challenge of how do you manage the tables if you do not know the data types.
Don't worry if the tail of this nugget gets hairy. The last part is more of a demonstration on which it can be done, but you don't probably Wan to.
Have fun!
Ben
Tags: NI Software
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