MarshallSoft Visual Basic serial communication library component (DLL) for serial port communications from VB or VB.NET programs. WSC4VB uses the standard Windows API to communicate with any device connected to a serial port. Includes 32 functions plus modem control, ASCII/XMODEM/YMODEM protocols, hardware and software flow control, and multiple example programs. The Windows Serial Communications Library (WSC4VB) features include: * Can control any serial device connected to the serial port. * Can control multiple ports simultaneously. * Is fully thread safe. * Is port re-entrant. * State driven Xmodem and Ymodem on multiple ports simultaneously. * Supports Windows 95/98/Me/NT/2000/XP. * Can send Windows messages on completion of events (incoming character, etc.). * Is port re-entrant. * State driven Xmodem and Ymodem on multiple ports simultaneously. * Includes 16-bit (WSC16.DLL) and 32-bit (WSC32.DLL) versions. * Works with both Visual Basic (any version) and VB.Net. * Does not depend on support libraries. Makes calls to Windows API functions only. Can also use with C/C++, Visual C++, .NET, Delphi, PowerBASIC (PB/CC, PB/WIN, PB/DLL), 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 & Serial Comm Manuals provided. * Royalty free distribution with your compiled application. The evaluation version is fully functional and can be downloaded from http://www.marshallsoft.com/wsc4vb.htm. For Win/CE, see http://www.marshallsoft.com/wsc4evb.htm