Karaoke Mixer ActiveX Control ReferenceMethods PBLoadAudioFile Karaoke Mixer ActiveX Control PBLoadAudioFile Load the audio file for playback. Public Function PBLoadAudioFile( ByVal strAudioFile As String ) as Bool ParameterstrAudioFile the path of audio file. Return Valuetrue - successful, otherwise return false.Example Visual Basic SyntaxKaraokeMixer1 .ShowPlaybackWaveForm =trueKaraokeMixer1 .PBLoadAudioFile "c:\music.mp3"KaraokeMixer1 .PBPlay