 ( _
      ByVal pInputFilename As Long, _
      ByVal pOutputFilename As Long, _
      ByRef pPercentageDone As Long, _
      ByVal pfnProgressCallback As Long, _
      ByRef pKillFlag As Long) As Long
Private Declare Function ConvertFile Lib "macdll" ( _
      ByVal pInputFilename As Long, _
      ByVal pOutputFilename As Long, _
      ByVal nCompressionLevel As Long, _
      ByRef pPercentageDone As Long, _
      ByVal pfnProgressCallback As Long, _
      ByRef pKillFlag As Long) As Long
Private Declare 