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That’s all that can be learned about solving the “nested user control” problem. We have set up the model, view model and finally the view. Now, let’s take a look at how it looks in a screenshot (and notice the construction time of the view model, they are really constructed on-demand):
The red border is the control that we just created. It shows the name of the room, the view model construction time and the child objects (inside expanders).