Version 4: Upgrade to VS 2017

MapControl/Shared/BoundingBox.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.Globalization;
+
+namespace MapControl
+{
+    /// <summary>
+    /// A geographic bounding box with south and north latitude and west and east longitude values in degrees.
+    /// </summary>
+    public partial class BoundingBox
+    {
+        private double south;
+        private double west;
+        private double north;
+        private double east;
+
+        public BoundingBox()
+        {
+        }
+
+        public BoundingBox(double south, double west, double north, double east)
+        {
+            South = south;
+            West = west;
+            North = north;
+            East = east;
+        }
+
+        public double South
+        {
+            get { return south; }
+            set { south = Math.Min(Math.Max(value, -90d), 90d); }
+        }
+
+        public double West
+        {
+            get { return west; }
+            set { west = value; }
+        }
+
+        public double North
+        {
+            get { return north; }
+            set { north = Math.Min(Math.Max(value, -90d), 90d); }
+        }
+
+        public double East
+        {
+            get { return east; }
+            set { east = value; }
+        }
+
+        public virtual double Width
+        {
+            get { return east - west; }
+        }
+
+        public virtual double Height
+        {
+            get { return north - south; }
+        }
+
+        public bool HasValidBounds
+        {
+            get { return south < north && west < east; }
+        }
+
+        public virtual BoundingBox Clone()
+        {
+            return new BoundingBox(south, west, north, east);
+        }
+
+        public static BoundingBox Parse(string s)
+        {
+            var values = s.Split(new char[] { ',' });
+
+            if (values.Length != 4)
+            {
+                throw new FormatException("BoundingBox string must be a comma-separated list of four double values");
+            }
+
+            return new BoundingBox(
+                double.Parse(values[0], NumberStyles.Float, CultureInfo.InvariantCulture),
+                double.Parse(values[1], NumberStyles.Float, CultureInfo.InvariantCulture),
+                double.Parse(values[2], NumberStyles.Float, CultureInfo.InvariantCulture),
+                double.Parse(values[3], NumberStyles.Float, CultureInfo.InvariantCulture));
+        }
+    }
+}