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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / How can I use a public...
Microsoft Dynamics AX (Archived)

How can I use a public constant defined in C# assembly in X++ method

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Posted on by Shashikanth Rao 575

Hello,

I have defined a C# class that has constants defined.

namespace MySpace

{

  public class MyConstants

  {

     public const int MY_CONST_ONE = 0x01;

  }

}

 

Now in my X++ method I want use this constant. I have added a reference to above assembly in Dynamics AX AOT. But when I try use the constant I get compilation error. IntelliSense also does not show this constant.

void MyXPPMethod()

{

  int i;

;

  if(i == MySpace.MyConstants.MY_CONST_ONE)

  {

   ;

  }

}

 

How can I solve this problem?

Thanks in advance

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I have the same question (0)
  • Community Member Profile Picture
    Community Member on at

    Hi,

    Normally Morphx doesnt support direct (public) access to object variable. The only set/get accessors are solution.

    This is standard way in AX.

    I presume the same case is for .net interop, you have to use set/get accessor.

    Artur

  • Suggested answer
    Community Member Profile Picture
    Community Member on at

    Since contants are static values in .NET assemblies

    try like this in x++ :     if(i == MySpace.MyConstants::MY_CONST_ONE)

    let us know if it works...

    Thanks

  • Suggested answer
    Martin Dráb Profile Picture
    Martin Dráb 237,965 Most Valuable Professional on at

    I also don't think you can access fields (including constant fields) from AX. Wrap the constant to a public read-only property.

    Also, the "==" operator does not marshall CLRObject[System.Int32] to X++ int, so you would get a compilation error.

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