Add elements from IList to ObservableCollection

Question

I have an ObservableCollection, and I\'d like to set the content of an IList to this one. Now I could just create a new instance of the collection..:

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Answer 1

You could write your own extension method if you are using C#3+ to help you with that. This code has had some basic testing to ensure that it works:

public static void AddRange(this ObservableCollection coll, IEnumerable items)
{
    foreach (var item in items)
    {
        coll.Add(item);
    }
}