Based on the discussion in the Performance regression when creating certain toolbar layouts ticket.
Check this video to see how that shadow around drop-down frame appears and disappears twice (?) before the menu items actually become visible
Shadows for drop-down windows are painted twice
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.
- v13.1.2Download Official Update
- v12.2.6Download Official Update