MCI_STATUS_PARMS

typedef struct tagMCI_STATUS_PARMS {
    DWORD   dwCallback;
    DWORD   dwReturn;
    DWORD   dwItem;
    DWORD   dwTrack;
} MCI_STATUS_PARMS;
 

The MCI_STATUS_PARMS structure is the standard data structure associated with the MCI_STATUS command. To find out if customized versions of this structure exist, see the description of MCI_STATUS in the Win32 SDK.

Members
dwCallback
Contains handle of window to receive MM_MCINOTIFY message.
dwReturn
Receives driver-supplied integer return value.
dwItem
Contains a flag indicating the type of information requested. For a list of valid flags, see the description of MCI_STATUS in the Win32 SDK. The contents of dwItem is valid only if MCI_STATUS_ITEM is set in the lParam1 argument to DriverProc.