Sub main()

  MsgBox "testing"

End Sub

Option Explicit

Public Sub main()

  Dim d As Double
  
    d = calc_factorial(5)
    
    MsgBox d '計算 5! = 5*4*3*2*1

End Sub

Public Function calc_factorial(ByRef max As Double) As Double

  Dim d As Double
  
    calc_factorial = 1
    For d = 2 To max
      calc_factorial = calc_factorial * d
    Next d

End Function

Public Sub run_macros_prebuild()
  
  On Error GoTo Err1
  
  Set objapp = CreateObject("Word.Application")
  
  With objapp
    .Visible = set_appvisible
  End With
  
  appstatus = 1

Exit Sub
Err1:

  MsgBox "發生未知錯誤，無法建立 Word 元件 " & vbNewLine & Err.Description

End Sub

Public Sub run_macro(ByRef name As String, ByRef dir As String, ByRef outputdir As String)
  
    If appstatus = 0 Then run_macros_prebuild
  
  On Error GoTo Err1
  
  With objapp
    .Documents.Open FileName:=dir
    
    .Run name 'Run macros
    
      With objapp.ActiveDocument.Content.Find
        'Add something here
      End With
    
    .ActiveDocument.SaveAs force_dir(Replace(outputdir, "%Appdir%", App.Path)) & get_filename(dir)
    .Documents.Close
    
  End With

Exit Sub
Err1:

  MsgBox "發生未知錯誤 " & vbNewLine & Err.Description

End Sub