Still celebrating National IT Professionals Day with 3 months of free Premium Membership. Use Code ITDAY17

x
?
Solved

Using OLE Automation Objects

Posted on 1999-01-20
5
Medium Priority
?
241 Views
Last Modified: 2013-11-25
I am integrating a product called BackWeb which is an OLE Automation Object in the form of an .exe.  How do I import or use an object like this?  In the OLE/COM viewer I can see the Object as an Active Template Library but I can't find out how to use it.

Thanks,
  Blake
0
Comment
Question by:bjstorey
[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
  • 2
5 Comments
 

Author Comment

by:bjstorey
ID: 1328037
Adjusted points to 150
0
 
LVL 15

Accepted Solution

by:
Tommy Hui earned 450 total points
ID: 1328038
You can use #import on an .EXE and it will try to generate the wrappers for it if and only if there is type library information in the .EXE.

If there isn't then you will need to build it yourself. In which case, using COleDispatchDriver is your best friend. Take a look at the documentation for the class on how to use it. There are samples that shipped with MFC that use this class: CalcDriv and ACDual.


0
 

Author Comment

by:bjstorey
ID: 1328039
That imported the information but how do I actually call one of these objects.  I have tried CoCreateInstance but I can't get the right Interface ID
0
 
LVL 15

Expert Comment

by:Tommy Hui
ID: 1328040
You need to use

  IDispatch* dispatch = NULL;
  HRESULT hr = CoCreateInstance(clsId, NULL, CLSCTX_SERVER, IID_IDispatch, (void**)&dispatch);

The clsId is available through the registry or using CLSIDFromProgID().
0
 

Author Comment

by:bjstorey
ID: 1328041
Thanks again...I have that now also.  I have a specific Interface I want to get now called IBackWeb.  How do I get at that interface?
0

Featured Post

What does it mean to be "Always On"?

Is your cloud always on? With an Always On cloud you won't have to worry about downtime for maintenance or software application code updates, ensuring that your bottom line isn't affected.

Question has a verified solution.

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

I made this because I wanted to get e-mail with a attached csv file so I'd would be able to import user input into a MS Excel template, but I also wanted to register/save all inputs from each day in a file on the server. 1st - It creates a temp C…
Whether you've completed a degree in computer sciences or you're a self-taught programmer, writing your first lines of code in the real world is always a challenge. Here are some of the most common pitfalls for new programmers.
The purpose of this video is to demonstrate how to set up the WordPress backend so that each page automatically generates a Mailchimp signup form in the sidebar. This will be demonstrated using a Windows 8 PC. Tools Used are Photoshop, Awesome…
This video will show you how to get GIT to work in Eclipse.   It will walk you through how to install the EGit plugin in eclipse and how to checkout an existing repository.

688 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