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UserControl with List<T> property - any chance for declarative definition?

public List<Rect> HotSpots

{

   get { return (List<Rect>)GetValue(HotSpotsProperty); }

   set { SetValue(HotSpotsProperty, value); }

}

 

public static readonly DependencyProperty HotSpotsProperty =

        DependencyProperty.Register("HotSpots", typeof(List<Rect>), typeof(ImageViewPort), new FrameworkPropertyMetadata(HotSpotsChanged));

       

<WPF:ImageViewPort Grid.Row="1">

   <WPF:ImageViewPort.HotSpots>

      <Rect Location="0,0" Height="30" Width="50"></Rect>

       <Rect Location="10,35" Height="30" Width="20"></Rect>

   </WPF:ImageViewPort.HotSpots>

 </WPF:ImageViewPort>

       

<WPF:ImageViewPort Grid.Row="1" HotSpots="{Binding Path=HotSpots}"/>

       

public class HotSpotList : List<Rect> {}

       

<WPF:ImageViewPort.HotSpots>

  <HotSpotList>

   <Rect Location="0,0" Height="30" Width="50"></Rect>

   <Rect Location="10,35" Height="30" Width="20"></Rect>

  </HotSpotList>

</WPF:ImageViewPort.HotSpots>