Hi
Andreas,
Thank you for using syncfusion
products.
We have analyzed your query
and we have prepared a simple sample for drag and drop between two
GridTreeControl objects.
In the given sample , you can
achieve your requirement by simply select the row and double click on it and
drag to the required location.
Please find the sample from the
following location.
Sample Location: MultipleGTC_DragAndDrop.zip
Please let us know if you have any
concerns.
Regards,
Kasthuriraja G