?
Solved

Call a DLL on Windows from AS400

Posted on 2003-11-06
6
Medium Priority
?
828 Views
Last Modified: 2012-06-27
Is it  possible to Invoke/Call a DLL on a windows Platform From an AS/400 passing it various Parameters and then wait until a return value is received.
Thanks for your help in Advance.
0
Comment
Question by:Philip_Lang
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 3
6 Comments
 
LVL 14

Accepted Solution

by:
daveslater earned 500 total points
ID: 9694637
Hi
The only way I know of doing it  is write a VB/C++ etc program that reads a reques from a dataq calls the DLL and sents the result back via the dataq

dataq access is part of client  access and there are may examples provided by IBM.

Let me know if you need more details on dataq's

dave
0
 
LVL 14

Expert Comment

by:daveslater
ID: 9694673
Or if it is interactive
Your could write the parms to a file in QDLS or the IFS,
use
STRPCO
and
STRPCCMD
to run a PC program to read the parms, write the data back to a file and read it.

Dave
0
 
LVL 2

Expert Comment

by:xinger
ID: 9763864
Never tried it, but perhaps the following about rundll32.exe will give you another direction to look...
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/tools/tools/rundll32.asp
0
 
LVL 1

Expert Comment

by:SuperCCA
ID: 10494147
A little more infromation on the underlying requirement might help as you will not be able to access any DLL function directly. The interfaces described above only work for an executable file. The data queues suggestion is solid but it will mean that the iSeries session will need to wait for a reply but full consideration must be given to the possibility of the PC program not responding.

You can pass parameters to an exceutable PC file via the command line on the STRPCCMD but there is no capability to return a value.

If you wanted to get cute you could:
1. initiate a PC program passing parameters via STRPCCMD.
2. get that PC program to acquire the iSeries session using EHLLAPI
3. once the PC program has calcaulated the response this could be posted into a hidden field again using EHLLAPI
4. the PC program could then send an AID key to the iSeries session so that it reads the hidden firled
5. Release the EHLLAPI lock in the PC program and end the PC program

This will work but may over-engineer your problem.
0
 
LVL 14

Expert Comment

by:daveslater
ID: 10807868

No comment has been added lately, so it's time to clean up this TA.
I will leave a recommendation in the Cleanup topic area that this question is:

Accept DaveSlater comment as answer

Please leave any comments here within the next seven days.

PLEASE DO NOT ACCEPT THIS COMMENT AS AN ANSWER!
Dave Slater
Page Editor


0

Featured Post

On Demand Webinar - Networking for the Cloud Era

This webinar discusses:
-Common barriers companies experience when moving to the cloud
-How SD-WAN changes the way we look at networks
-Best practices customers should employ moving forward with cloud migration
-What happens behind the scenes of SteelConnect’s one-click button

Question has a verified solution.

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

We are witnesses that everyone is saying that our children shouldn't "play" with a technology because it is dangerous. This article is going to prove that they are wrong.
What's worse than having your data encrypted by ransomware? Getting attacked by a so-called "wiper," which simply destroys the data and offers you no hope of ever seeing it again.
NetCrunch network monitor is a highly extensive platform for network monitoring and alert generation. In this video you'll see a live demo of NetCrunch with most notable features explained in a walk-through manner. You'll also get to know the philos…
In this video you will find out how to export Office 365 mailboxes using the built in eDiscovery tool. Bear in mind that although this method might be useful in some cases, using PST files as Office 365 backup is troublesome in a long run (more on t…
Suggested Courses

801 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