Can i declare vb function from my vb dll ?!?

If Yes , then what i am doing wrong ???

<Can't find DLL entry point COD in "D:\Projektas\ProjectKlass.dll"


Normal Exe looks like
Public Declare Function COD Lib "D:\Projektas\ProjectKlass.dll" _
() As Integer


AxtiveX Dll, here i have class,

Public Function COD() As Integer
End Function


Thnx