protected override bool OnKey(SciterElement se, SciterXBehaviors.KEY_PARAMS prms) { if (prms.cmd == (uint)SciterXBehaviors.KEY_EVENTS.KEY_DOWN) { Keys key = (Keys)prms.key_code; var args = new OxyKeyEventArgs { ModifierKeys = prms.alt_state.GetModifiers(), Key = key.Convert() }; return(ActualController.HandleKeyDown(this, args)); } return(false); }