hi..
i got mifare software written in vb.

there are dll file, and a bas file. Seems that the bas file import/declare functions that provided by the dll file.
what is the really use of bas file ?
how can i extract functions in dll file by using c# ?
- i tried to import the dll file, it said that "it is not a COM component..
i'm new to all of this.
can anyone give any brief explanation or solution to my C# ?

sorry for my bad english
thx for reading