Hi Gaetan,
Thank you for contacting Syncfusion support.
In our TreeViewAdv control we have provided "IsEditable" property for TreeViewItemAdv.
While using MVVM pattern on TreeViewAdv we can define this property using ItemContainerStyle. We have disable the edit option for all TreeViewItemAdv in below code by using ItemContainerStyle.
Code snippets:<syncfusion:TreeViewAdv.ItemContainerStyle>
<Style TargetType="{x:Type syncfusion:TreeViewItemAdv}">
<Setter Property="IsEditable" Value="False"/>
</Style>
</syncfusion:TreeViewAdv.ItemContainerStyle>
We have prepared a sample by using above code snippets. Please download the sample from the below link.
Sample link: TreeViewSample.zip
Please let us know if you need further assistance.
Regards,
Mariappan S.