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In using serial port,syncnorous or asyncnorous?

aeteta
aeteta asked
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Last Modified: 2013-11-19
In using serial port, What is the difference between syncnorous and asyncronous ?
if the 6th argument of the function, CreateFile,  has FILE_FLAG_OVERLAPPED, that
the serial communication is asyncnorous ,is documented in HELP(F1)
but,I well can't understand it. Help me Thank you
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