Hi,
Thanks for your interest on Syncfusion Products.
We have confirmed the problem which you have mentioned in your last update to be a feature and it will be implemented in our upcoming release. If you interested in getting a patch for this issue, then you may create a Direct-Trac incident under the following link.
https://www.syncfusion.com/account/login?ReturnUrl=%2fsupport%2fdirecttrac%2fincidentsPlease let us know if you have any further queries.
Regards,
Maria Amal Raj T,
Diagram WPF & Silverlight Team,
[Syncfusion].