<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <META content="MSHTML 6.00.2900.3020" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV>Hi,</DIV> <DIV>Is it possible to have PLT-scheme lock a file such as to prevent simultaneous access from different stand allone programs? I looked around in the docs, but could not find any related topic. I am sure it is possible somehow, for MSWord can.</DIV> <DIV>Greetings, Jos Koot</DIV> <DIV> </DIV> <DIV>I use version full-369.1-bin-i386-win32.exe on Winsows XP home.</DIV></BODY></HTML>