From Eltima Software:
Serial Port ActiveX is a powerful component that can be used to simplify communication with external devices on rs232 connection. This includes modems, bar code readers, PBX or any other devices that have a serial interface. Serial Port AX Control 2.0 introduces an impressive number of new properties for detailed setting of serial port, numerous new methods and events to control serial port state changes. Includes examples for Microsoft VC++ and Microsoft Visual Basic. This professional Serial Port component is compatible with Microsoft Windows 95/98/NT/ME/2000 & XP, Microsoft Visual Basic 5-7, Microsoft Visual C++ 5-7, Inprise/Borland Delphi 3-7, Inprise/Borland C++ Builder 3-6 and .NET technology.