/// <summary>
        /// Loads and displays CorrectionControl
        /// </summary>
        private void GetButtonClicked(object sender, RoutedEventArgs e)
        {
            this.DataFolderPath = Path.Combine(FindDataFolder(), TestDataFolderName);
            string templatePath = Path.Combine(this.DataFolderPath, TemplateName);

            OmrEngine         engine    = new OmrEngine();
            TemplateProcessor processor = engine.GetTemplateProcessor(templatePath);

            control = engine.GetCorrectionControl(processor);
            CustomContentControl.Content = control;
            control.Initialize();
        }