How to code a virtual serial port in windows Xp or Windows 7

Roger Alcindor
Roger Alcindor used Ask the Experts™
I am seeking information on how to write my own code for a virtual serial port for windows Xp or Windows 7. Preferrably using Borland C++ builder.
Any useful information would be appreciated.
Please note that I know of commercial software available for this and information on such products is not what I need.


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Have you seen this open source example:


Unfortuinately, I am looking for source code, not an application.
The link you suggest does not lead me to the source code ?
Hi there,
There is a component with source code at named TComPort.
I am using it for VERY long time and never failed me.
There is a trial version to try.
The full one comes with full source code for around $30 I think.

George Tokas.
here is the link that includes the source code:


Hello George,
The Winsoft product looks like it's what I'm looking for.

Thanks and best regards,


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