How to set SelectedItem on a RibbonComboBox using MVVM?

Question

How do I set the SelectedItem on a RibbonComboBox using MVVM pattern?

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Answer 1

I solved it by changing the constructor.

// Constructor
public FoobarViewModel(MyObject myObject)
{
    LoadFoobars();

    Foobar = _repository.GetFoobar(myObject.FoobarID);
}