Currently this scenario is not supported. However, I've added your functionality request in our PITS under the name "TreeView: Expand bottom up
". The item will be available for tracking tomorrow the latest when you will be able to vote for it. It this request gathers enough popularity we will definitely consider implementing it. Let me know if you have additional questions or comments on the topic.
the Telerik team
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Public Issue Tracking
system and vote to affect the priority of the items.