The LLC_DLC_SET_THRESHOLD_PARMS structure is the DLC parameter table for the LLC_DLC_SET_THRESHOLD command. You pass a pointer to this structure using the pParameterTable member of the CCB_PARMS union.
typedef struct {
USHORT usStationId;
USHORT cBufferThreshold;
PVOID AlertEvent;
} LLC_DLC_SET_THRESHOLD_PARMS, *PLLC_DLC_SET_THRESHOLD_PARMS;