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Resolved Why when I'm importing a dll(SnapDevelop 2021) it comes without methods

  1. How-to
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  1. Milton Jiménez
    Milton Jiménez
  2. PowerBuilder
  3. Thursday, 1 June 2023 19:27 PM UTC

hi Friends,

I am using SnapDevelop 2021 to create Class Library (.net Standar)
But when I'm importing(dll in importer dll option) comes empty without methods this is the class:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Runtime.InteropServices;
using CajaPOSDF;

namespace CajaPOSDF
{
[ComVisible(true)]
[ProgId("CPOS.CPOS")]
[ClassInterface(ClassInterfaceType.AutoDual)]
public class CPOS
{
CajaPOSDF.POS pc;
public CPOS()
{
pc = new CajaPOSDF.POS();
pc.ConfigurarConexion("COM1", 9600, 8, true);
}
}

}

any help is welcome

Thanks 

 

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Responses (2)
Bruce Armstrong
Bruce Armstrong Accepted Answer Pending Moderation
  1. Friday, 2 June 2023 17:28 PM UTC
  2. PowerBuilder
  3. # 1

What Francisco said.  Also, you don't need this stuff.

[ComVisible(true)]
[ProgId("CPOS.CPOS")]
[ClassInterface(ClassInterfaceType.AutoDual)]

AFAIK, the .Net Importer doesn't use COM callable wrappers, which is what those declarations are used for.

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Bruce Armstrong
  1. Bruce Armstrong
  2. Friday, 2 June 2023 17:32 PM UTC
You might also check out the sample I did for a presentation on the .Net Importer in a prior Elevate conference, and see how I wrote the C# classes (in SnapDevelop).



https://community.appeon.com/index.php/codeexchange/powerbuilder/256-net-importer-demo
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Francisco Martinez @Appeon
Francisco Martinez @Appeon Accepted Answer Pending Moderation
  1. Thursday, 1 June 2023 19:43 PM UTC
  2. PowerBuilder
  3. # 2

Hi Milton, I would recommend you format your code sample so that it's more legible, it's a little bit hard to understand. See here on how to do that.

>dll in importer dll option

Do you mean the .NET DLL Importer?

By what I can read, the class you demonstrate does not contain any methods, only the class constructor. So it makes sense that you're not seeing any methods.

Regards,
Francisco

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