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Editorial Team
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Asked: 2026-05-30T05:00:16+00:00

I’m working with MVVM Light Toolkit, and I’d like to create a RelayCommand .

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I’m working with MVVM Light Toolkit, and I’d like to create a RelayCommand.

If my ViewModel has some String properties, which ones call the RaiseCanExecuteChanged in the setters, everything works fine, the command can be executed when I want.

But if I change the code, I create a Model class X, and it contains all of these properties, the ViewModel contains a property with type X, where should I call the RaiseCanExecuteChanged? In the Model class makes no sense, and the setter of the X in the ViewModel is not called.

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1 Answer

  1. Editorial Team

    You will likely need to subscribe to the Model class PropertyChanged event, and raise your RaiseCanExecuteChanged when the model property changes.

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