Comm32 Communications OCX

Use Comm32 to quickly add Serial Communications capabilities to your applications.
Comm32 is compatible with MSComm in that it uses the same property names, methods and syntax which means that you can quickly add Comm32 to a VB6 project in place of MSComm32 without needing to change any of your code or learn any new syntax. (also works for other languages with minor syntax changes)

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32bit development in VB6 using the Comm32 Communications OCX ?

Or are you looking for a proper .Net Component ?

Carry on using most of the common and well documented MSComm32 syntax but with a proper .net component allowing you to build x86, x64 and AnyCPU projects using Visual Studio 2005, 2008 and 2010.