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;
}