Hi Ralf,
Thank you for using Syncfusion products.
We have analyzed your query. We are able to reproduce the
issue and we have logged an issue report on this. The fix will be include in
our upcoming main release Volume 3, 2014. We will update you once our release
is rolled out which is expected to be released by the month of October.
Please let us know if you have any queries.
Thank you.
Jai Ganesh S