Hello.
The answer here is no, jack has no such concept.
On 05.11.2017 10:42, Shadyar Khodayari wrote:
> Hello
> I am working on a Java program special for visual impaired persons
> that needs to detect weather the headphone jack plugs on Windows-7.
> can Jack detect it?
> Jack can notify headphone plugging by a call back method?
> I will be appreciate, if you would how to do that via Jack, if possible.
>
> Shadyar Khodayari
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