System exec and virtual key

Hola,estoy tratando de usar el teclado virtual del windows con labview, he usado el system exec.vi para abrir el teclado virtual pero mi problema es como lo cierro, alguien me podria dar alguna sugerencia.

Does this help?
"There is a God shaped vacuum in the heart of every man which cannot be filled by any created thing, but only by God, the Creator, made known through Jesus." - Blaise Pascal
Attachments:
osk.vi ‏14 KB

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