Sound.au3 - _SoundVolume Returning @error 1

[T0M50N]

I've added this function to the Sound.au3 UDF

Func _SoundVolume($aSndID, $iVol)
    If Not( 0 <= $iVol <= 1000 And IsInt($iVol))Then Return SetError(2, 0, 0) ; invalid Volume Factor
    If Not __SoundChkSndID($aSndID) Then Return SetError(3, 0, 0) ; invalid Sound ID or file name

    __SoundMciSendString("setaudio " & $aSndID[0] & " volume to " & $iVol)

    If @error Then Return SetError(1, @error, 0)
    Return 1
EndFunc

It should change the volume of the audio file but it returns @error 1.

What am I doing wrong?

http://msdn.microsoft.com/en-us/library/windows/desktop/dd798662(v=vs.85).aspx

Edited May 14, 2014 by T0M50N

[Melba23]

T0M50N,

I can only suggest that there is a problem using that command on sound files - it does state " Digital-video and VCR devices recognize this command", and not waveforms.

RazerM and I looked into providing a volume function many years ago (see >here) but as you can see decided that as it was not something we wanted to add for the same reasons as I mentioned above, even though that solution worked on sound files when tested.

M23

[T0M50N]

Thanks for the link; I found some other interesting UDFs through it.