说明：  通用控件是微软产品里很重要的一部分，尤其对许多 Windows 第三方产品开发者来说，但有时候开发者想在这么多通用控件里找个合适的，并有详细资料的却并不容易，本书就经常提出的问题进行了一些讨论，希望对 Windows 程序开发有所帮助。
(common control products that Microsoft is a very important part, particularly for many Windows third-party product developers, but sometimes developers to the many common controls Lane to find suitable, and detailed information is not easy, this book often on the subject of some discussion, and I hope to Windows developers some help.)