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INotifyPropertyChanged is not always being respected

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Is there any common scenario that can cause a call to INotifyPropertyChanged.PropertyChanged() from within an object's property setter to NOT cause that property's getter to then be automatically called?

I'm seeing this in a debug session here - clicking a Checkbox, modifying a property but then not seeing the checkbox state change even though it is bound in the XAML.

Ive sprinked Debug calls in the code and can clearly see that I'm calling PropertyChanged() but the system doesn't call the getter thereafter.

Very puzzling and not making any sense...

Cap'n


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