Hello Martin,
Thank you for your interest in RadTreeView.
I will try to explain in short the reasons behind the current implementation of the control.
Indeed, the behavior of a standard windows treeview is a bit different, still, we have designed our RadTreeView control in such a way to be easily used on a mobile device. The current design suggests that expanding/collapsing is more responsive when tapping over the whole text rather than trying to hit the expander indicator. I am afraid that currently it is not possible to change this behavior. You could change the gesture for expanding/collapsing with hold, for example. Let me know what you think of such an approach.
Additionally, RadTreeView supports showing checkboxes which you can use to implement some kind of selection. Through the CheckBoxMode property you could control the checked state propagation to the child items. For more details on this refer to
RadTreeView: CheckBox elements topic.
Please give this feature a try and let me know if you have any questions or comments.
Regards,
Yana
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