I have an app. where I have to write some characters
to a serial port upon receipt of the RTS signal from
another computer. I am using the WriteFile() function
to write this file name to my serial port. I am assuming
handling of the RTS is automatically taken care of by
the API (maybe upon CreateFile()?)How do I detect the presence of an RTS signal and then use WriteFile() to write the characters. Thanks.
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This is Part 3 in a 3-part series on Experts Exchange to discuss error handling in VBA code written for Excel.
Part 1 of this series discussed basic error handling code using VBA.