您需要参考DevExpress文档 - 这里是该站点提供的示例的链接http://documentation.devexpress.com/#WindowsForms/CustomDocument2254 [ ^ ]

您可能需要将picturebox和richtextbox替换为他们在示例中使用的控件。

如果您需要更多示例，请使用此链接 [ ^ ]

You need to refer to the DevExpress Documentation - here''s a link to the examples provided by that site http://documentation.devexpress.com/#WindowsForms/CustomDocument2254[^]
You may need to substitute picturebox and richtextbox for the controls that they use in the examples.
If you need further examples then use this link[^]