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User Function Library Using MapPoint

Has anyone been able to generate a UFL using MapPoint?

I created a .DLL that gets point-to-point distances using MP. When I reference this dll in a console app, it works without a problem. When I use it in Crystal, I get an error.

If I remove the MapPoint code and just return a value, it works with Crystal, so I know the UFL is set up correctly.

I have narrowed down the problem to the following line of code:

MapPoint.Application objApp = new MapPoint.Application();

If I comment out this line and return a static value, it works without a problem.

If I leave this line in, I get an error in the formula that uses it.

I am passing in two addresses to the method and returning the Distance between the two.

Any help would be appreciated.

Ray

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1 Answer

  • Posted on Oct 11, 2010 at 04:07 PM

    What version of CR?

    Do you get the error in the designer or when you run the report from an application?

    Ludek

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