http://www.cnblogs.com/ywb-lv/articles/2343444.html

http://stackoverflow.com/questions/3334102/use-the-ado-openschema-method-to-get-table-list-column-list-and-value

https://msdn.microsoft.com/en-us/library/ms677536%28v=vs.85%29.aspx

https://msdn.microsoft.com/en-us/library/ms680885%28v=vs.85%29.aspx

http://freetutes.com/learn-vb6/lesson4.html

http://youzhangcai.blog.163.com/blog/static/166848184201081015557699/

http://blog.csdn.net/wl1234234/article/details/7570189