How can I send data from a second form via serial port using the serial port of form 1

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Im building a form that has multiple ones.
The idea is to only connect in the first form
to serial port. When click a button it shows
up another form. In this there are many buttons
that send data through serial port.
I cant made the link between this forms

What I have tried:

Im new at this, so I dont have any idea of what to try. I cant find much info about this situation

Posted 19-Aug-19 9:03am

Member 13834211

Updated 19-Aug-19 9:34am

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RickZeeland · Answer 1 · 2019-08-19T09:35:00

Solution 1

Make a static class with your serial communication code that you can access from any form.
See example here: Static Classes and Static Class Members - C# Programming Guide | Microsoft Docs[^]

Posted 19-Aug-19 9:35am

RickZeeland

Updated 19-Aug-19 9:50am

v2