A small sample program for serial Port Communication including the Visual Basic .Net source code is now available in the knowledgebase on our homepage.
http://www.innovatic.dk/knowledg/SerialCOM/SerialCOM.htm
If you have any comment or suggestions please send me an e-mail. You will find the e-mail address on the frontpage.
Good luck with serial port programming.
Innovatic
Carsten Kanstrup

Sample Program for Serial Port Communication
AndrewMurdock
New updated version with more proper multi threading and more clever solutions.
http://www.innovatic.dk/knowledg/SerialCOM/SerialCOM.htm
zenithsoft
More files has been added to the source files, so that it is now possible to open the entire project. Just download MaxiCOM.zip, unzip it and doubleclick on MaxiCOM.vbproj.