See attachment.
Connection lines are not shown if the Antialiasing property is set to True
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.
Stefan,
This ticket is dedicated to the ExpressOrgChart control, but your images demonstrate the ExpressFlowChart demo. To get a patch for this control refer to the Connection lines are not shown if the Antialiasing property is set to True ticket.
Hello Soeren,
Thank you for your report. I have reproduced the described behavior and forwarded this ticket to our developers for research.