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IOCTL_AG_SET_SPEAKER_VOL (Windows Embedded CE 6.0)

  • Article

1/6/2010

This IOCTL sets the speaker volume of the headset or the hands-free device.

Parameters

  • hDeviceContext
    [in] Device context handle.
  • fSelector
    [in] Equals IOCTL_AG_SET_SPEAKER_VOL.
  • cInBuffer
    [In] Equals the size of USHORT.
  • pInBuffer
    [In] Pointer to a USHORT that stores the speaker volume.
  • cOutBuffer
    Not used.
  • pOutBuffer
    Not used.
  • pcDataReturned
    Not used.

Return Values

Returns TRUE if successful, FALSE otherwise. To obtain extended error information, call the GetLastError function.

Remarks

To retrieve the current volume of the speaker, use the IOCTL_AG_GET_SPEAKER_VOL IOCTL.

Requirements

Header btagpub.h
Windows Embedded CE Windows CE 5.0 and later

See Also

Concepts

Bluetooth OS IOCTLs
Audio Gateway Core Component