批量选择ppt多文本框内容（VB代码）

https://www2.zhihu.com/question/387555935

Sub ExportText()
  Dim oPres As Presentation
  Dim oSlides As Slides
  Dim oSld As Slide         'Slide Object
  Dim oShp As Shape         'Shape Object
  Dim iFile As Integer      'File handle for output
  iFile = FreeFile          'Get a free file number
  Dim PathSep As String
  Dim FileNum As Integer
  Dim sTempString As String

  #If Mac Then
    PathSep = "/"
  #Else
    PathSep = "\"
  #End If

  Set oPres = ActivePresentation
  Set oSlides = oPres.Slides

  FileNum = FreeFile

  'Open output file