2. After opening, if the current page has development tools, you don't need to take them out. If there is no development tool, click the file menu above, and then click options in the pop-up page.

3. Then click the custom ribbon option in the opened page;

4. Then find the development tool, check it and click OK.

5. Then go back to the page, click the menu option of the development tool above, open it, click Set Default Option, and click the icon of the old tool.

6. Click other controls in the expand menu and find? Bar code control, that is, bar code control, click OK.

7. Then a bar code graphic will appear. Select it, right-click it, and then click Properties.

8. Then you can customize its style, background color, barcode color, width, height and so on. In the pop-up page, make settings as needed.

9. Complete the renderings.