https://learn.microsoft.com/ja-jp/office/vba/language/reference/functions-visual-basic-for-applications
関数 (Visual Basic for Applications) | Microsoft Learn
visual basic for applicationsmicrosoft learn
https://learn.microsoft.com/ja-jp/office/vba/language/reference/user-interface-help/dir-function
Dir 関数 (Visual Basic for Applications) | Microsoft Learn
visual basic for applicationsmicrosoft learndir