Hi Hans,
Thanks for your update.
This issue have been fixed in our 8.2 version. By next month we will be having the Vol1 2011 release. You could check with the release version more updated and features.
If you could request we would update the fix to you in patch formate in your requested version. For that you have to post an incident in Direct Trac regarding the defect through that we will post you the patch.
[Direct Trac Link]
http://www.syncfusion.com/support/directtracPlease let us know if you need more details.
Regards,
J Jeraldes