Hi Witold,
Thanks for using Syncfusion products.
1. Currently we don’t provide support for “Moving a node’s label through mouse”. This has been suspected to be a feature request. Please create a DT incident for your query so that we can update the patch for this feature.
You can create the DT incident from the following link.
<
http://www.syncfusion.com/account/dashboard>In the interests of maintaining confidentiality, we have a policy of not sharing patches or otherwise proprietary customer specific information in the public Forum.
Please let us know if you have any queries.
Regards,
Amsath Ali. M