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Asked: 2026-05-11T10:31:58+00:00

I’m binding to a method using an ObjectDataProvider. The class which exposes this method

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I’m binding to a method using an ObjectDataProvider. The class which exposes this method contains an ObservableCollection of type T:INofifyChanged. My problem is that because the methods return value is dependent upon the value of it’s ObservableCollection, i need the binding to be updated when the ObservableCollection changes in any way.

In short, the return value of the method is dependent on other factors and i want this method binding to refresh when it’s dependencies change.

How can i let the bound control know when the methods return value will be different?

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1 Answer

  1. The ObservableCollection class exposes the CollectionChanged event which you could hook into.

    You would possibly be better off using a ViewModel and handling the update via this though. Take a look at the MVVM pattern.

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