MarshallSoft PowerBASIC serial communication component library (DLL) for serial port communications. Uses the standard Windows API to communicate with any device connected to a serial port. Includes 32 functions plus modem control, ANSI emulation, ASCII/XMODEM/YMODEM protocols, hardware and software flow control, and multiple PowerBASIC example programs. The Windows Serial Communications Library (WSC4PB) features include: * Can control any serial device connected to the serial port. * Can be used from GUI mode or console mode programs. * Can control multiple ports simultaneously. * Is fully thread safe. * Is port re-entrant. * State driven Xmodem and Ymodem on multiple ports simultaneously. * Can send Windows messages on completion of events (incoming character, etc.) * Includes 16-bit (WSC16.DLL) and 32-bit (WSC32.DLL) versions. * Works with PB/CC, PB/DLL and PB/WIN. * Does not depend on support libraries. Makes calls to Windows API functions only. Can also use with Delphi, Visual Basic (VB.NET), C/C++, Visual C++, .NET, Visual FoxPro, Visual dBase, Xbase++, and COBOL. * Free technical support and updates for one year.* Can be ordered with or without source code for the DLL. * Programmer's, Reference, Users and Serial Comm Manuals provided. Supports Windows 95/98/Me/NT/2000/XP. The evaluation version of WSC4PB is fully functional and can be downloaded from http://www.marshallsoft.com/wsc4pb.htm.