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Editorial Team
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Asked: 2026-06-01T07:17:04+00:00

In many ViewModels I will need a collection from another ViewModel. Basically each VIewModel

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In many ViewModels I will need a collection from another ViewModel. Basically each VIewModel has a List property which is of type ObservableCollection. and most of the time ViewA needs VIewModelA (for CRUD) and ViewModelB.List (for read-only purpose).

What is the recommended approach here?

  1. inject a ViewModelB into ViewModelA and expose a EntityBList property
  2. add/copy the same GetList procedure in ViewModelA from ViewModelB?
  3. in ViewA xaml reference both ViewModelA and viewModelB
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  1. Editorial Team

    I generally use option 1. Injecting a SharedViewModel singleton into view models that need the data works well. It’s also easy to add additional shared data when needed.

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