The problem is reproduced when old-style windows forms (the old-style doesn't have a designer file) are used and when the WinForms designer was marked as automatically changed after opening.
General - Visual Studio crashes when switching from Design View to Code View
Answers approved by DevExpress Support
We have fixed the issue described in this ticket and will include the fix in our next maintenance update. To apply this solution before the official update, request a hotfix by clicking the corresponding link for product versions you require.
Note: Hotfixes may be unavailable for beta versions and updates that are about to be released.
- v16.2.5Download Official Update