PreviewAudioVolumeSet Method (IMPreview)
channel ID. Reserved for future use. Use empty string (that is "") instead of this parameter.
number of channel. If it is "-1" then method applies to all channnel.
channel(s) volume
Sets the audio volume of preview. "0" is for full loudness and "-100" is for silence.
Syntax
Sub PreviewAudioVolumeSet( _
   ByVal _bsChannelID As String, _
   ByVal _nChannel As Integer, _
   ByVal _dblAttenuationdB As Double _
) 
void PreviewAudioVolumeSet( 
   string _bsChannelID,
   int _nChannel,
   double _dblAttenuationdB
)
procedure PreviewAudioVolumeSet( 
    _bsChannelID: String;
    _nChannel: Integer;
    _dblAttenuationdB: Double
); 
void PreviewAudioVolumeSet( 
   BSTR* _bsChannelID,
   int _nChannel,
   double _dblAttenuationdB
) 

Parameters

_bsChannelID
channel ID. Reserved for future use. Use empty string (that is "") instead of this parameter.
_nChannel
number of channel. If it is "-1" then method applies to all channnel.
_dblAttenuationdB
channel(s) volume
Example
m_objPlaylist.PreviewAudioVolumeSet("", -1, -30)
m_objPlaylist.PreviewAudioVolumeSet("", -1, -30); 
m_objPreview.PreviewAudioVolumeSet('', -1, -30);
See Also

Reference

IMPreview Interface
IMPreview Members