I've not tried it, but I would suspect Automation would be what you want. You might also look to see if PowerPoint has an ActiveX control. "Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

http://www.codeproject.com/database/caaadoclass1.asp[^] Carlos Antollini Do you know piFive[^] ?

i m success to setting RTS and DTR but anable to get status of CTS and DSR i m trying GetCommModemStatus but i m not success to get so plz. tell me how to get status of that pins. thanx Syed Abdul Qavi