How to configure USB port in Visual Basic

To Starride and those who can help me,

I 'm a student and I want to connect USB port using VB or VC++ with parallel port or serial port to control devices. I am using windows 7 64 bit and facing problem now.

How can I do?
Where can I find dll files and mscomm ... to help me?

Please kindly send the VB6 example USB-Serial code to my email
My email is : [email protected]