MegaPipe Win32 DLL is a reliable and powerful library for handling serial communication, modem operation and file-transfer (XModem Checksum, XModem CRC, XModem 1K, YModem, YModem-G, ZModem and Kermit), multiple ports/lines (up to 8) are supported. It can be used in a lot of environments like VC++, VB, VB.Net, C#.Net, Access, Delphi and Borland C++. Follow the link and free download MegaPipe Win32 DLL now.