This structure contains fields for the MCI_DEFAULT_CONNECTION message.
typedef struct _MCI_DEFAULT_CONNECTION_PARMS { HWND hwndCallback; /* Window handle. */ PSZ pszDevice; /* Device name. */ ULONG ulConnectorType; /* Connector type. */ ULONG ulConnectorIndex; /* Connector index. */ PSZ pszToDevice; /* Returns device name. */ ULONG ulToConnectorType; /* Connector type. */ ULONG ulToConnectorIndex; /* Connector number. */ } MCI_DEFAULT_CONNECTION_PARMS; typedef MCI _ DEFAULT _ CONNECTION _ PARMS * PMCI _ DEFAULT _ CONNECTION _ PARMS ;