How to call a function written in VB from C# application

Question

I have a function written in vb

Public Function abc (ByVal x as Integer, ByVal y as String) As String 

End Function

I want to call this function on click of a button in C# applcation.

Answer 1

If your VB function is inside a module, you need to call it by specifying the module name.

string result = MyVbModule.abc(1, "Hello");

You may also need to specify the namespace, wich per default is the name of the VB project:

string result = MyDll.MyVbModule.abc(1, "Hello");