This structure contains fields for the MCI_CONNECTOR message.
typedef struct _MCI_CONNECTOR_PARMS {
HWND hwndCallback; /* Window handle. */
ULONG ulReturn; /* Return information. */
ULONG ulConnectorType; /* Connector type. */
ULONG ulConnectorIndex; /* Connector number. */
} MCI_CONNECTOR_PARMS;
typedef MCI _ CONNECTOR _ PARMS * PMCI _ CONNECTOR _ PARMS ;