Describes the cause and action for error messages.
Error Message(English):
vba inputbox cancel event
InputBox関数でキャンセルされたときの処理−StrPtr関数:エクセルマクロ ...
https://www.relief.jp/docs/excel-vba-inputbox-cancel.html
How to detect if user select cancel InputBox VBA Excel - Stack ...
https://stackoverflow.com/questions/26264814/how-to-detect-if-user-select-cancel-inputbox-vba-excel
vba inputBox: How to tell difference between "cancel" and "OK ...
https://stackoverflow.com/questions/52181431/vba-inputbox-how-to-tell-difference-between-cancel-and-・・・
Cancel button should exit sub
https://stackoverflow.com/questions/49560756/cancel-button-should-exit-sub
InputBox Cancel different from vbNullString (null)
https://stackoverflow.com/questions/44992958/inputbox-cancel-different-from-vbnullstring-null
EXCEL VBA InputBox Ok/Cancel
https://stackoverflow.com/questions/16153481/excel-vba-inputbox-ok-cancel
InputBoxのキャンセル判定について(Tips-4) - VBAの勉強を始めてみた
http://kouten0430.hatenablog.com/entry/2018/06/09/185936
Office TANAKA - Excel VBA Tips[実は奥が深いInputBox]
http://officetanaka.net/excel/vba/tips/tips37.htm
Excel VBA InputBox Cancel - Code Included - YouTube
https://www.youtube.com/watch?v=g8-Nsgxsk84