Version 4: Upgrade to VS 2017

MapControl/Shared/LocationCollection.cs

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+// XAML Map Control - https://github.com/ClemensFischer/XAML-Map-Control
+// © 2017 Clemens Fischer
+// Licensed under the Microsoft Public License (Ms-PL)
+
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+
+namespace MapControl
+{
+    /// <summary>
+    /// An ObservableCollection of Location with support for parsing.
+    /// </summary>
+    public partial class LocationCollection : ObservableCollection<Location>
+    {
+        public LocationCollection()
+        {
+        }
+
+        public LocationCollection(IEnumerable<Location> locations)
+            : base(locations)
+        {
+        }
+
+        public LocationCollection(List<Location> locations)
+            : base(locations)
+        {
+        }
+
+        public static LocationCollection Parse(string s)
+        {
+            var strings = s.Split(new char[] { ' ', ';' }, StringSplitOptions.RemoveEmptyEntries);
+
+            return new LocationCollection(strings.Select(l => Location.Parse(l)));
+        }
+    }
+}