Automation

rubie

I Created a .net class in Visual Studio 2010 (C#). This class contains one method. The method returns a message.

using System.Text;
using System.Runtime.InteropServices;
using Outlook = Microsoft.Office.Interop.Outlook;
using Microsoft.Office.Interop.Outlook;


namespace example
{
    [ComVisible(true)]
    [ProgId("OffiOutlook")]
    [ClassInterface(ClassInterfaceType.AutoDual)]

    public class example
    {
        public String TestMessage()
        {
            return "Message from automation object";
        }
     }
}

I've built the project and registered the dll with this statement form the command line:

regasm c:\example.dll /tlb:c:\example.tlb

The dll registered without errors.

Next, In Navision, I created a form with a button. I added some code to this button:

CLEAR(latm_example);
MESSAGE(latm_example.TestMessage());

Navision recognises the DLL and the form compiles without any errors.

When I run this form and click on the button, an error message appears:

This message is for C/AL programmers:

Could not create an instance of the OLE control or Automation server identified by GUID={...}:'example:example.
Check that the OLE control or Automation server is correctly installed an registered.

How can I solve this problem?

Savatage

http://msdn.microsoft.com/en-us/library/dd355255.aspx

rubie

I'm sorry. I forgot to mention it.

This is the c/al code:

IF ISCLEAR(latm_example) THEN
CREATE(latm_example);

MESSAGE(latm_example.TestMessage());

kaspin

I have similar situation. When I build solution with Visual Studio 2010 it registers DLL automagically and I can use automation without problems on development machine (W7 pro 64bit) with Dynamics Nav 2009 R2.

Trying to register it manually with regasm behaves exactly as Rubie describes.

Did you find solution Rubie?

kaspin

This helped:

http://www.mibuso.com/forum/viewtopic.php?f=23&t=46696&p=228244

IsakssonMi had the answer for me!

regasm /codebase My.dll /tlb:My.tlb