Not tried this but I just tried to do it and it doesn't work for me, the game doesn't boot. Am I missing something different I need to do for DE?Have you tried this?
GitHub - SFTtech/sftscrollbugfixer: Fix the Age of Empires II (TC, HD, DE) scroll bug with a DLL injection
Fix the Age of Empires II (TC, HD, DE) scroll bug with a DLL injection - SFTtech/sftscrollbugfixergithub.com
If it's not fixing it, please open an issue, so the people can update it.