private void OnLoaded(object sender, System.Windows.RoutedEventArgs e) { _windowKeyDownHelper = new WindowKeyDownHelper(this); _windowKeyDownHelper.Register(); _windowKeyDownHelper.KeyDown += WindowOnKeyDown; InputTextBox.Focus(); }
private void OnUnloaded(object sender, System.Windows.RoutedEventArgs e) { if (_windowKeyDownHelper == null) { return; } _windowKeyDownHelper.Unregister(); _windowKeyDownHelper.KeyDown -= WindowOnKeyDown; _windowKeyDownHelper = null; }