GUI with live video preview

1 Sep. 2013
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I currently have a working GUI that shows a video preview(using axes) upon user clicking start button.
Is there any way which the video preview can start automatically when the GUI starts?
i have tried putting the code { preview(vid) } in OpeningFcn or OutputFcn, the preview doesn't seem to start up automatically after the GUI appears.
may i know where should i put this preview function under?

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Benjamin
Benjamin
am 1 Sep. 2013

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