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Home/ Questions/Q 8515421
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Editorial Team
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Editorial Team
Asked: June 11, 20262026-06-11T05:08:31+00:00 2026-06-11T05:08:31+00:00

I have textbox catching KeyDown events like this: <Style TargetType=TextBox> <EventSetter Event=KeyDown Handler=TextBoxInput/> </Style>

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I have textbox catching KeyDown events like this:

 <Style TargetType="TextBox">
        <EventSetter Event="KeyDown" Handler="TextBoxInput"/>
    </Style>

It works for all key and key combinations except spacebar. Even space with modifiers works ok, only space alone does not come to my method.

Is there anything I can change on the textbox to fire the event also on spacebar alone?

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  1. Editorial Team
    Editorial Team
    2026-06-11T05:08:32+00:00Added an answer on June 11, 2026 at 5:08 am

    Use the PreviewKeyDown event instead of KeyDown.

    <EventSetter Event="PreviewKeyDown" Handler="TextBoxInput"/>
    

    And you can use this article as backing for that.

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