WinUI value converters

MapControl/Shared/BoundingBox.cs

@@ -40,6 +40,11 @@ namespace MapControl
 
         public virtual Location Center => new Location((South + North) / 2d, (West + East) / 2d);
 
+        public override string ToString()
+        {
+            return string.Format(CultureInfo.InvariantCulture, "{0},{1},{2},{3}", South, West, North, East);
+        }
+
         /// <summary>
         /// Creates a BoundingBox instance from a string containing a comma-separated sequence of four or five floating point numbers.
         /// </summary>

MapControl/Shared/LocationCollection.cs

@@ -48,20 +48,22 @@ namespace MapControl
             Add(new Location(latitude, longitude));
         }
 
+        public override string ToString()
+        {
+            return string.Join(" ", this.Select(l => l.ToString()));
+        }
+
         /// <summary>
         /// Creates a LocationCollection instance from a string containing a sequence
         /// of Location strings that are separated by a spaces or semicolons.
         /// </summary>
         public static LocationCollection Parse(string locations)
         {
-            if (string.IsNullOrEmpty(locations))
+            return string.IsNullOrEmpty(locations)
-            {
+                ? new LocationCollection()
-                return new LocationCollection();
+                : new LocationCollection(locations
-            }
+                    .Split(new char[] { ' ', ';' }, StringSplitOptions.RemoveEmptyEntries)
-
+                    .Select(Location.Parse));
-            var strings = locations.Split(new char[] { ' ', ';' }, StringSplitOptions.RemoveEmptyEntries);
-
-            return new LocationCollection(strings.Select(l => Location.Parse(l)));
         }
 
         /// <summary>

MapControl/Shared/TileSource.cs

@@ -89,6 +89,11 @@ namespace MapControl
             return ImageLoader.LoadImageAsync(buffer);
         }
 
+        public override string ToString()
+        {
+            return UriTemplate;
+        }
+
         /// <summary>
         /// Creates a TileSource instance from an Uri template string.
         /// </summary>

MapControl/UWP/MapControl.UWP.csproj

@@ -278,8 +278,8 @@
     <Compile Include="..\WinUI\Tile.WinUI.cs">
       <Link>Tile.WinUI.cs</Link>
     </Compile>
-    <Compile Include="..\WinUI\TileSourceConverter.cs">
+    <Compile Include="..\WinUI\ValueConverters.cs">
-      <Link>TileSourceConverter.cs</Link>
+      <Link>ValueConverters.cs</Link>
     </Compile>
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="TileImageLoader.UWP.cs" />

MapControl/WinUI/TileSourceConverter.cs

@@ -1,22 +0,0 @@
-using System;
-#if UWP
-using Windows.UI.Xaml.Data;
-#elif WINUI
-using Microsoft.UI.Xaml.Data;
-#endif
-
-namespace MapControl
-{
-    public class TileSourceConverter : IValueConverter
-    {
-        public object Convert(object value, Type targetType, object parameter, string language)
-        {
-            return TileSource.Parse(value.ToString());
-        }
-
-        public object ConvertBack(object value, Type targetType, object parameter, string language)
-        {
-            throw new NotSupportedException();
-        }
-    }
-}

MapControl/WinUI/ValueConverters.cs

@@ -0,0 +1,61 @@
+using System;
+#if UWP
+using Windows.UI.Xaml.Data;
+#elif WINUI
+using Microsoft.UI.Xaml.Data;
+#endif
+
+namespace MapControl
+{
+    public class LocationConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, string language)
+        {
+            return Location.Parse(value.ToString());
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, string language)
+        {
+            return value.ToString();
+        }
+    }
+
+    public class LocationCollectionConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, string language)
+        {
+            return LocationCollection.Parse(value.ToString());
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, string language)
+        {
+            return value.ToString();
+        }
+    }
+
+    public class BoundingBoxConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, string language)
+        {
+            return BoundingBox.Parse(value.ToString());
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, string language)
+        {
+            return value.ToString();
+        }
+    }
+
+    public class TileSourceConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, string language)
+        {
+            return TileSource.Parse(value.ToString());
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, string language)
+        {
+            return value.ToString();
+        }
+    }
+}