使用回调接口实现ActiveX控件和它的容器程序的通讯
http://wenku.baidu.com/view/1bec6d0a763231126edb1121.html
ActiveX技术彻底研究
http://www.fingermove.com/www.pinxue.net/bcb/ActiveXCompletePartI.htm
http://www.yesky.com/SoftChannel/72342371928702976/20050117/1901786_2.shtml
用ATL和MFC来创建ActiveX控件
http://www.yesky.com/20020717/1620830_3.shtml
ATL & WTL 实现分析