MgslGetSerialSignals

Prototype   
ULONG MgslGetSerialSignals( HANDLE hDevice,
                            PUCHAR pReturnedSignals );
Parameters   
hDevice
handle to open port 
pReturnedSignals
pointer to byte to hold returned V.24 signal states
Return Value   
ERROR_SUCCESS (0)
Success 
ERROR_INVALID_PARAMETER
pReturnedSignals is invalid 
ERROR_INVALID_HANDLE
hDevice is invalid

Return the state of all V.24 serial signals in the buffer specified by pReturnedSignals. The returned signal states are identified by the SerialSignal_XXX bit flag constants. A set bit flag indicates an active serial signal.

See also: MgslSetSerialSignals, Controlling and Monitoring Serial Signals

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