The KeyFilter property is a new property that was added to control. Handling the KeyDown /KeyUp / KeyPress generates a callback on every key down which can be a great overhead if all you want is to handle a specific key down. That is way the new KeyFilter property was added. Basically it allows to define a filter which helps VWG generate callbacks only when you really need it. In the following sample code we have demonstrated the implementation of adding arrow behaviors to a set of text boxes which allows navigating between the fields.

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