How to read a serial port with API

I need to know the form to read a serial port with an API and display that information in the monitor of PC

Hi, try:
www.vbcode.com
they had a snippet for this..

Cheers

You use the CreateFile api, then use ReadFile, CloseFile.

However it's more complicated than that. You actually have to create events see this page:

http://msdn.microsoft.com/library/de...sdn_serial.asp

I know. It's C++, but it explains what you have to do, and will give you an idea of why using the MSComm control is a better choice for this.