Xamarin.Form Control Picker. Changing the way Items are displayed

Hi everyone,

I am relatively new to Xamarin, Xamarin forms and I am currently trying to write my own Custom Renderer For the Xamarin.Form.Picker so that I can style each Item in the picker.

At the moment I am focusing on Windows phone and I have got as far as creating a new Item Template in Xaml and mapping it to the Native control but the problem I'm having is that the Text isn't being mapped to the values that I have populated the Xamarin.Form.Picker with.

Here is my code:

Xaml:

<Application.Resources>
        <DataTemplate x:Key="ListItemTemplate">
            <StackPanel Background="Azure">
                <TextBlock Text="{Binding}" Foreground="Black"></TextBlock>
            </StackPanel>
        </DataTemplate>
    </Application.Resources>

CustomRenderer:

public class CustomPickerRenderer : PickerRenderer
    {
        protected override void OnElementPropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
        {
        base.OnElementPropertyChanged(sender, e);
            switch (e.PropertyName)
            {             
                case "Renderer":
                    this.Control.FullModeItemTemplate = (System.Windows.DataTemplate)App.Current.Resources["ListItemTemplate"];
                    this.Control.Foreground = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Colors.Black);
                    break;
            }
        }
    }

The Image of Result:

My Question is how do I get the values which are attached to the Xamarin.Forms.Picker to be displayed with my custom Style or is it that I can't use custom styles At this time.

Thank you all in advance

Pete.