"MyLibApp.vb" - Call VB Class from Library

Q

How to call a function from a VB class provided in a library?

✍: FYIcenter.com

A

If you want to call a function from a VB class provided in a library, you can follow this tutorial:

1. Reference the shared function with the class name prefix: 

    MyLib.PrintHello();

2. See the following full source code example, MyLibApp.vb: 

' MyLibApp.vb
' Copyright (c) FYIcenter.com

Module MyLibApp
    Sub Main()
        MyLib.PrintHello()
    End Sub
End Module

3. Compile the code with the "vbc /reference" command: 

>vbc /reference:MyLib.dll MyLibApp.vb
Microsoft (R) Visual Basic Compiler version 2.2.0.61624
Copyright (C) Microsoft Corporation. All rights reserved.

>dir MyLibApp.*
09:55 AM             6,656 MyLibApp.exe
09:53 AM               134 MyLibApp.vb

4. Run the executable code: 

C:\fyicenter>MyLibApp.exe
Hello world! - From MyLib

 

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