Where can I find a ZwCreateFile example for C++?

Question

I am looking for an example to read an already opened COM port, the only thing that I have found is an application called PORTMON that refers to a method called ZwCreateFile.

Answer 1

codeproject.com - is a nice site for looking examples.

http://www.codeproject.com/KB/system/chaiyasit_t.aspx

edit: msdn have information too http://msdn.microsoft.com/en-us/library/aa363424.aspx