Hy,

short description, about my problem. I have a view model that provides several properties. One of them creates an object (lazy, so is only created, when called first time). This creation is so "expensive" it should be done later, when property is really used. But the problem is, when I bound the view model to the XamDataTree, this property is also scanned by the NodesLyout. But this property is not bound anywhere in the template. I would like to avoid access to this property. I am not sure why, this behavior is needed. I think this behavior slows down the application. Why retrieve values from a view model they are not used (bind)?

The screenshot shows the call stack, what happened and the code from the NodeLayout, that scans every property, without reflecting if it used or not.

Regards,
Joerg

Does anyone has an advice or idea to avoid this?