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how can I make a GUI control (e.g. slider) respond to a change in the workspace variable?

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Michael
Michael 2017-11-3
编辑： Michael 2017-11-12
Is there a way to make a GUI control, e.g. slider, or a label, or text box to respond to a change of the workspace variable without explicitly setting it properties every other place in the application that changes that variable?
I am constrained to do it in R2011, so the newer version's class event/listener feature is not available.
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Stephen23
Stephen23 2017-11-3
编辑：Stephen23 2017-11-3
Short answer: no.
Long answer: write a class for that variable, and set a listener.
Trivial answer: write a little function that sets the slider. Call it everywhere where the variable is changed.
Alternative answer: write object oriented code, and have one method that sets the value and changes the slider.
Michael
Michael 2017-11-3
Can you elaborate on the "Long answer"? a codelet would be helpful, or a pointer to the Reference. Thanks...

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