Read registry from device driver

1. A simple method, use RtlQueryRegistryValues

http://www.ccrun.com/article.asp?i=1058&d=i35urg

2. A complicated but more powerful method. use ZwQueryValueKey

http://msdn.microsoft.com/en-us/library/aa489583.aspx

3 Example:

http://blog.csdn.net/linuxyf/archive/2007/08/17/1747632.aspx