Instrument Control (GPIB, Serial, VISA, IVI)

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event value change

Hi, I'm using an event loop in a subvi where the event is 'value change' on a control. When i'm running it on the main VI it works, but if the event loop is in a sub VI it doesn't work.
 
If I change the value of the numeric control in the main VI, will the event loop in the sub VI catch that I changed the value ?
 
Thx
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duplicate post and to the wrong forum.
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