VS 2010 problem with OLEDB connection

In VB 6.0 and Visual Basic 2008 n OS windows XP, I was connecting my oracle 10g database as follows:

Public OraSes, OraDb As Object

OraSes = CreateObject("OracleInprocServer.Xorasession")
OraDb = OraSes.OpenDatabase("connection string", "usernm/password", 0&)

but when using the same code in Visual Basic 2010 on Windows professional 7, it gives error on line no 3

and error code is almost 12 digit long

can anyone help me how to set it right