Hi Daniel,
Thank you for contacting Syncfusion support.
We have prepared a sample that tries to meet your
requirement. In this we have modify the CellTemplate for TreeViewColumn and you
can customize the header for each column of TreeViewItem by CellTemplate as per
your requirement. We have attached the sample. Please have a look at the sample
and let us know if it helps you.
If we have misunderstood your requirement, please update us
with more information about requirement.
Regards,
Berkunath A
Attachment:
MultiColumnTreeViewAdvSample_b189e4ed.zip