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    <p>Depending on where you're exposing the countries collection there are a few different options.</p> <p>If countries exists in Address or some other ViewModel object you change your converter to implement IMultiValueConverter instead of IValueConverter and then use a MultiBinding to pass both CountryCode and countries (exposed as a property). You would then access and cast values[0] and values[1] to use them to do the lookup in the Convert method.</p> <pre><code>&lt;TextBlock&gt; &lt;TextBlock.Text&gt; &lt;MultiBinding Converter="{StaticResource CountryNameLookupConverter}"&gt; &lt;Binding Path="CountryCode" /&gt; &lt;Binding Path="Countries" /&gt; &lt;/MultiBinding&gt; &lt;/TextBlock.Text&gt; &lt;/TextBlock&gt; </code></pre> <p>If you are exposing countries statically (i.e. Lookup.Countries), you can pass the collection to your IValueConverter either as a property or through the ConverterParameter. Here's the converter with a property:</p> <pre><code>public class CountryNameLookupConverter : IValueConverter { public IEnumerable&lt;Country&gt; LookupList { get; set; } public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { Country country = LookupList.FirstOrDefault(c =&gt; c.Code.Equals(value)); if (country == null) return "Not Found"; return country.Name; } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { return Binding.DoNothing; } } </code></pre> <p>and the converter resource would be declared like:</p> <pre><code>&lt;local:CountryNameLookupConverter x:Key="CountryNameLookupConverter" LookupList="{x:Static local:Lookup.Countries}"/&gt; </code></pre> <p>Or to pass into Convert's object parameter instead:</p> <pre><code>&lt;TextBlock Text="{Binding Path=CountryCode, Converter={StaticResource CountryNameLookupConverter}, ConverterParameter={x:Static local:Lookup.Countries}}" /&gt; </code></pre>
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    1. USJohn Bowen
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    1. COThank you. I ended up using the last of your options with some lazy loading lists. Works really well.
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