Use vb.net in VBScript

Question

How to call a function in vb.net DLL from VBScript?

I did the following: - I create public class named Class1 in vb.net.

I go to Visual Studio 2008 Command Prompt and go to my class dll - C:\Myapp\bin\Debug and type following command tlbexp myDLL.dll after that i get message Assembly exported to C:\Myapp\bin\Debug\myDLL.tlb
After this I type following command regasm myDLL.dll and i get following message RegAsm : warning RA0000 : No types were registered

This is how my class look like:

Public Class Class1
   Public Function ADD(ByVal first As Integer, ByVal sec As Integer)
        Dim abc As Integer
        abc = first + sec
        Return abc
    End Function
    Public Function Subtraction(ByVal first As Integer, ByVal sec As Integer)
        Dim abc As Integer
        abc = first - sec
        Return abc
    End Function
end class

Where I am making mistake, and which is the easiest way to use vb.net from vbscript!

Many thanks!

When i try this regasm /codebase myDLL.dll i am getting The message: "The /codebase switch is intended to be used only with signed assemblies. Please give your assembly a strong name and re-register it. RegAsm : warning RA0000 : No types were registered" — user261810
– user261810, Commented Feb 1, 2010 at 11:25
Check out geeksengine.com/article/create-dll.html. In particular the step 2. Configure project properties to make it COM visible. — Stephen Quan
– Stephen Quan, Commented Feb 7, 2012 at 1:02

Kris Krause · Accepted Answer · 2010-02-01 11:07:48Z

0

You are on the correct path. Does your class have a default contructor? Does your class have a public method?

Also, right click on your project in Visual Studio. I believe there is a "register for COM" or "make COM visible" checkbox to save you a few steps.

answered Feb 1, 2010 at 11:07

Kris Krause

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1 Comment

Rick Mogstad Over a year ago

In your project properties, in the Compile section, you should check the "Register for COM interop" box.

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