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Auto Refresh in app designer.

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Jay Vaidya
Jay Vaidya 2021년 6월 6일
댓글: Adam Danz 2021년 6월 8일
I have a couple of controls in my GUI but it can also happen that I control my system manually (sometimes). So the below image shows the lamps 1 and 2 ON (set and read by GUI after setting) but the 3rd one has turned ON anytime. When I turn the 3rd one ON, I want the GUI to change the lamp color and also the switch direction. I know commands to change the color of the lamp and switch position, but I am not getting how can I introduce this sensing part in my GUI.
In other words, I need a refresh function that can refresh the GUI at an as fast a rate as it can and then change the lamp colors accordingly.
Please let me know your inputs. Thanks a lot, in advance!
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Adam Danz
Adam Danz 2021년 6월 8일
For the lamp you'd listen to the color property (which is also not observable).
The only scenario I can imagine where this makes sense it's that OP is not the owner of the app nor the external script (I hope it's a function) and cannot make changes to either files and the switch can be changed by progresses not within OP's control.

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J. Alex Lee
J. Alex Lee 2021년 6월 6일
in general for "auto refresh" you can use the timer object to schedule recurrent execution - disclaimer i have only played with this in non-GUI context with intent to eventually incorporate in a appdesigner app, but haven't got that far
but if you mean you have hardware switches that your GUI is supposed to be somehow connected to, and if you flip physical switch 3, you need the GUI switch 3 to know about it, maybe there are other/better mechanisms through the software/hardware interface
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Jay Vaidya
Jay Vaidya 2021년 6월 7일
As I said, I cannot link the two by any means as the other script is not controllable. Also, the valve can be manually turned ON in which case what you are suggesting cannot work.

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