what dll is used by granph in vc2003

[ming0530029]

Some Graph controls of NI’s Measurement Studio are used in

my programme, now when I run the release edition programme

which was built in VC2003 on a computer without installing

Labview, these Graph controls can not be displayed

correctly. But if I install Labview first, everything goes

well. I want to know if I don’t install Labview, how can I

deal with the problem?

[JonathanN]

Hi ming0530029,

Since you are at the stage of deploying your application to the target computer, you need to ensure that all components are properly packaged and deployed. To do this, you will need to create a setup package that encompasses your application and the additional dependencies (DLLs, OCXs, etc).  Check out the Distributing Measurement Studio Applications in Microsoft Visual Studio 2003/2005 KnowledgeBase. 

Now, to ensure that you have all the appropriate merge modules in your setup application, refer to the "Measurement Studio Visual C++ Merge Modules" help topic in the Measurement Studio Help.  In particular, since you are using the graph control, you would need to definitely look at the User Interface section to see what corresponding merge modules should be included in your project. 

Now to address your question as to why your application worked on a machine with LabVIEW is quite simple. LabVIEW installs several Measurement Studio ActiveX controls including the cwui.ocx control which contains the graph control you were working with.  Thus, this ActiveX control was present on the LabVIEW machine and so your application found that file (and probably other dependent files that are installed with LabVIEW). The other machine didn't have anything installed and so there was no cwui.ocx control.

You need to follow the instruction in the KnowledgeBase mentioned earlier or refer to the Deploying Measurement Studio Applications category in the help. 

Hope this clears things up! Also, if you are curious about merge modules, check out the What is a Merge Module? KnowledgeBase (which also points to a MSDN article). 

Best Regards,

Message Edited by Jonathan N on 03-07-2007 12:25 PM