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MCI_WAVE_OPEN_PARMS
The MCI_WAVE_OPEN_PARMS structure contains information for MCI_OPEN command for waveform-audio devices.
typedef struct {
DWORD dwCallback;
MCIDEVICEID wDeviceID;
LPCSTR lpstrDeviceType;
LPCSTR lpstrElementName;
LPCSTR lpstrAlias;
DWORD dwBufferSeconds;
} MCI_WAVE_OPEN_PARMS;
Members
dwCallback
The low-order word specifies a window handle used for the MCI_NOTIFY flag.
wDeviceID
Indentifier returned to application.
lpstrDeviceType
Name or constant identifier of the device type. (The name of the device is
typically obtained from the registry or SYSTEM.INI file.) This member can be one
of the values listed in Constants: Device Types.
lpstrElementName
Device element name (usually a path).
lpstrAlias
Optional device alias.
dwBufferSeconds
Buffer length, in seconds.
Remarks
When assigning data to the members of this structure, set the corresponding
flags in the fdwCommand parameter of the mciSendCommand function to validate the members.
You can use the MCI_OPEN_PARMS structure instead of MCI_WAVE_OPEN_PARMS if you are not using the extended data members.
See Also
MCI_OPEN, mciSendCommand, MCI_OPEN_PARMS
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