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 ;