Hi Fabian,
Thank you for your interest in Syncfusion Products.
I am afraid that I was not able to reproduce the mentioned here. Please refer the below sample given in the following link:
http://websamples.syncfusion.com/samples/Tools.Windows/F74373/main.htmIf I am missing anything, could you let me know in detail, so that I could work out in depth and provide you a better solution?
Please let me know if any concerns.
Regards,
Fathima