WSC4D Version 2.4 WSC4D is a serial communications library which can be used with Delphi (16-bit or 32-bit) running under Windows NT, Windows 95/98, or Windows 3.1. The WSC4D DLLs (WSC16.DLL and WSC32.DLL) can be called from any application capable of calling Windows API functions, including those written in Visual Basic, C/C++, Delphi, Visual Basic for Applications (MS Access, MS Excel, MS Word), Visual FoxPro, Visual dBase, Power Builder, Fortran, COBOL, etc. Six example Delphi programs are included. Changes from the previous version are as follows: (1) Improvement made to XYDRIVER (XMODEM and YMODEM). (2) SioEvent function added. (3) Added new example program EVENT. Refer to INSTALL.TXT for installation information.