an Xaml extension to get images from resources

BookAStar/BookAStar/Extensions/ImageResourceExtension.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xamarin.Forms;
+using Xamarin.Forms.Xaml;
+
+namespace BookAStar.Extensions
+{
+    [ContentProperty("Source")]
+    public class ImageResourceExtension : IMarkupExtension
+    {
+        public string Source { get; set; }
+
+        public object ProvideValue(IServiceProvider serviceProvider)
+        {
+            if (Source == null)
+                return null;
+            var imageSource = ImageSource.FromResource(Source);
+            return imageSource;
+        }
+    }
+}