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Instead, this is meant to be a slightly more practical guide to squeezing performance out of WPF in ways that are probably more likely affecting you.
This happens because, when binding to an observable collection, WPF automatically adds a The Observable Collection is already bound to the Listview.
When building an application, I might not have the luxury of creating model classes to represent the objects I'll be rendering on screen, because they are dynamic.
If I don't know the shape of my data, I can use a meta model (a model of the final model) to represent it.
Simple Binding (flat structure): As seen, a simple root-level binding is achieved by using a standard … Do note that you need to inform the Hierarchical Data Template of the datatype to display.
This is done using the Data Type attribute on the Hierarchical Data Template XAML-element.