Binaryworld - PlayAVIVideoOFF - Playing the audio track of an AVI file ... [ VB.net -> Multimedia ]

<System.Runtime.InteropServices.DllImport("kernel32.dll")> Shared Function _
  GetShortPathName(ByVal lpszLongPath As String, _
  ByVal lpszShortPath As System.Text.StringBuilder, _
  ByVal cchBuffer As Integer) As Integer
End Function

' Play the audio track of an AVI file.
' fileName is a string containing the full path of the file.
'
' Notes: requires the ExecuteMCICommand routine

Sub PlayAVIVideoOFF(ByVal fileName As String)
  Dim commandString As String
  Dim shortFileName As New System.Text.StringBuilder(260)

  ' retrieve the file name in the short format (8+3 chars)
  GetShortPathName(fileName, shortFileName, shortFileName.Capacity)
  fileName = shortFileName.ToString()

  ' open the device
  commandString = "Open " & fileName & " type avivideo alias AVIFile"
  ExecuteMCICommand(commandString, False)

  ' set video OFF
  commandString = "Set AVIFile video off"
  ExecuteMCICommand(commandString, True)

  ' play the file
  commandString = "Play AVIFile wait"
  ExecuteMCICommand(commandString, True)

  ' close the device
  commandString = "Close AVIFile"
  ExecuteMCICommand(commandString, True)
End Sub