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| Technical Reference | |
Windows 2000/XP |
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| Test function | Test Flag |
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| 1. PurgeComm | PURGE_TXABORT |
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| PURGE_RXABORT |
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| PURGE_TXCLEAR |
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| 2. ClearCommBreak() |
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| 3. SetCommBreak() |
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| 4. ClearCommError | CE_BREAK |
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| CE_RXPARITY |
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| CE_FRAME |
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| CE_RXOVER |
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| fCtsHold |
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| fDsrHold |
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| fXoffHold |
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| cbInQue |
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| cbOutQue |
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| 5. EscapeCommFunction | SETDTR |
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| SETRTS |
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| SETXON |
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| SETXOFF |
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| SETBREAK,CLRBREAK |
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| 6. GetCommMask |
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| EV_CTS |
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| EV_DSR |
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| EV_RING |
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| EV_RLSD |
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| EV_RXCHAR |
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| EV_RXFLAG |
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| EV_TXEMPTY |
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| 8. GetCommModemStatus() |
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| 9. SetCommMask | EV_CTS |
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| EV_DSR |
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| EV_RLSD |
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| EV_RXCHAR |
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| EV_RXFLAG |
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| EV_TXEMPTY |
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| EV_TXEMPTY |
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| 10. SetCommState | BaudRate |
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| Parity, ByteSize, StopBits,fParity |
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| ErrorChar,fErrorChar |
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| fNull |
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| fRtsControl=RTS_CONTROL_DISABLE |
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| fRtsControl=RTS_CONTROL_ENABLE |
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| fDtrControl=DTR_CONTROL_DISABLE |
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| fDtrControl=DTR_CONTROL_ENABLE |
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| FDsrSensitivity=TRUE |
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