Use EventTrigger on a specific key

Question

I would like to invoke a command using EventTrigger when a particular key is touched (for example, the spacebar key)

Currently I have:

Answer 1

You would have to build a custom Trigger to handle that:

public class SpaceKeyDownEventTrigger : EventTrigger {

    public SpaceKeyDownEventTrigger() : base("KeyDown") {
    }

    protected override void OnEvent(EventArgs eventArgs) {
        var e = eventArgs as KeyEventArgs;
        if (e != null && e.Key == Key.Space)
            this.InvokeActions(eventArgs);
    }
}