private void AddButton_Click(object sender, RoutedEventArgs e)
{
_vm.AddCatalogScheme();
//ListBoxItem selectedItem = SchemesListBox.ItemContainerGenerator.ContainerFromIndex(SchemesListBox.SelectedIndex - 1) as ListBoxItem;
//if (selectedItem != null)
//{
// ContentPresenter contentPresenter = FindVisualChild<ContentPresenter>(selectedItem);
// DataTemplate dataTemplate = contentPresenter.ContentTemplate;
// TextBox textBox = dataTemplate.FindName("CatalogSchemeName", contentPresenter) as TextBox;
// if (textBox != null)
// textBox.Dispatcher.BeginInvoke(new Action(() => textBox.SelectAll()));
//}
}
