IOCTL_SERIAL_GET_MODEMSTATUS
This code retrieves the current modem control-register values.
Parameters
- dwOpenData
- Handle returned from a call to the COM_Open function.
- dwCode
- Specifies this code.
- pBufIn
- Ignored.
- dwLenIn
- Ignored.
- pBufOut
- Ignored.
- dwLenOut
- Ignored.
- pdwActualOut
- Ignored.
Remarks
The control code is declared in the Pegdser.h header file and defined in the Mdd.c file.
See Also
COM_IOControl, COM_Open