Wpf usercontrol dependency property not updating


18-Jul-2019 19:09

Because of WPF’s references to your objects, it is not just enough to drop references to your view and view model.A better alternative is to rely on data binding where you can; create a Dependency Property for the sole purpose of listening to changes on your target property, and use the change notifications in Dependency Property in order to listen to changes on the target property.Create a collection with mixed viewmodel types–your original collection, and one that represents the “group”.

wpf usercontrol dependency property not updating-77

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A common, sensible, and logical pattern is to keep usages of elements as close to where you use them as possible. Resources, or break up their themes into multiple Resource Dictionaries for clarity and separation.Scrollbar performance is often a big problem in larger WPF apps because of problems that seem trivial for small collections, but suddenly blow up with larger data sets.