By pressing 'Ctrl' key stop my VI

Hi all

My VI stop responding when I press a special key. Try to run my VI attached to this post. While the VI is running, press any button on the arrow, and you can see that the value of the indicator "Horizontal" and "Vertical" changes accordingly. However, once a special character key is press, for example 'Ctrl' or 'Caps Lock', the VI stop responding. Can someone tell me how to avoid this?

Thank you...

Best regards
Mario

Also if you wish to react to the stop button everything you have to do is to add the event. See the attached file.

Tags: NI Software

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