Solved

Undocumented Native Win32 APIs

Posted on 1998-12-16
3
406 Views
Last Modified: 2013-12-03
How do I figure out the parameters that undocumented Native Win32 APIs on Windows NT take and what the return type is?  (Please give an example for NtDeleteValueKey a.k.a. ZwDeleteValueKey)
0
Comment
Question by:keebler121698
3 Comments
 
LVL 6

Expert Comment

by:stsanz
ID: 1417348
Take a look at :
http://www.sysinternals.com/ntdll.htm
They say these native API are documented in WinNT DDK documentation.

0
 

Author Comment

by:keebler121698
ID: 1417349
Already looked there, you will notice that it says that only 25 of the calls are documented in the DDK.  My question is how do I get the parameters for the *undocumented* calls.

0
 
LVL 32

Accepted Solution

by:
jhance earned 200 total points
ID: 1417350
Trial and error along with stepping through the functions with a debugger (like SoftICE) is the only way to learn about what is going on in the undocumented functions.
0

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This article shows a few slightly more advanced techniques for Windows 7 gadget programming, including how to save and restore user settings for your gadget and how to populate the "details" panel that is displayed in the Windows 7 gadget gallery.  …
zlib is a free compression library (a DLL) on which the popular gzip utility is built.  In this article, we'll see how to use the zlib functions to compress and decompress data in memory; that is, without needing to use a temporary file.  We'll be c…
This is Part 3 in a 3-part series on Experts Exchange to discuss error handling in VBA code written for Excel. Part 1 of this series discussed basic error handling code using VBA. http://www.experts-exchange.com/videos/1478/Excel-Error-Handlin…
Sending a Secure fax is easy with eFax Corporate (http://www.enterprise.efax.com). First, just open a new email message. In the To field, type your recipient's fax number @efaxsend.com. You can even send a secure international fax — just include t…

863 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

25 Experts available now in Live!

Get 1:1 Help Now