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MSCOMM32.OCX can't sent chr(0) to COMM

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MongkonB

MongkonB

Programmer
Jan 7, 2004
9
TH
Hi,all. I use MSCOMM32.OCX to TX-RX data between PC and Microcontroller. I can RX every chr(), but I can't TX chr(0).
Please tell me how to TX chr(0)
 
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The NullDiscard property determines whether null characters are transferred from the port to the receive buffer.
Bu default this is disabled.
Maybe this also affects the transmission.
Check the Comm98.chm file

 
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