Rob Aerts wrote: > > hello everbody, > > my question is a little bit off topic (i gues) > but maybe somebody can point me to the right location (list or newsgroup) > > i have a made a program (c++) witch reads data from the serial port > a data device on com1 f.e. sends lots of data to my computer > the big problem in win95 is, while i'm receiving data, my program is blocked > (task switching) and when it receive's control, data is lost. > how can i solve this problem. i'm looking for some kind of blocking > procedure > to stop windows for task switching while my program receives data > > Kind Regards, > Rob Aerts Rob, Last month, i used a .DLL for communicate with a ST6 kit that i developted, using the PC communication serial (Windows 95 plataform). My ST6 send a 128 bytes string each second and the processing of WIN95 never stopped! I think that your C++ routine have problems. Try wwww.marshallsoft.com. I think that Pam Marshall have for C++. Good luck. mIGUEL.