private void RunSelectedExample(TreeListNode node)
        {
            LoadDocumentFromFile();
            SpreadsheetExample example = treeList1.GetDataRecordByNode(node) as SpreadsheetExample;

            if (example == null)
            {
                return;
            }
            Action <IWorkbook> action = example.Action;

            action(workbook);
            SaveDocumentToFile();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            workbook.Options.Culture = System.Globalization.CultureInfo.CurrentCulture;
            LoadDocumentFromFile();
            SpreadsheetExample example = treeList1.GetDataRecordByNode(treeList1.FocusedNode) as SpreadsheetExample;

            if (example == null)
            {
                return;
            }
            Action <IWorkbook> action = example.Action;

            action(workbook);
            this.spreadsheetControl1.Refresh();
            SaveDocumentToFile();
        }