The SetCommBreak function suspends character transmission for a specified communications device and places the transmission line in a break state until the ClearCommBreak function is called.
BOOL SetCommBreak(
HANDLE hFile |
// handle of communications device |
); |
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To get extended error information, call GetLastError.
The SetCommBreak function does not flush data that has not been transmitted.
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