Added ToString() method. Added documentation.

Source/OpenTK/Math/Box2.cs

@@ -6,11 +6,36 @@ using System.Runtime.InteropServices;
 namespace OpenTK.Math
 {
     /// <summary>
-    /// Defines a rectangle.
+    /// Defines a 2d box (rectangle).
     /// </summary>
     [StructLayout(LayoutKind.Sequential)]
     public struct Box2
     {
+        /// <summary>
+        /// The left boundary of the structure.
+        /// </summary>
+        public float Left;
+
+        /// <summary>
+        /// The right boundary of the structure.
+        /// </summary>
+        public float Right;
+
+        /// <summary>
+        /// The top boundary of the structure.
+        /// </summary>
+        public float Top;
+
+        /// <summary>
+        /// The bottom boundary of the structure.
+        /// </summary>
+        public float Bottom;
+
+        /// <summary>
+        /// Constructs a new Box2 with the specified dimensions.
+        /// </summary>
+        /// <param name="topLeft">An OpenTK.Math.Vector2 describing the top-left corner of the Box2.</param>
+        /// <param name="bottomRight">An OpenTK.Math.Vector2 describing the bottom-right corner of the Box2.</param>
         public Box2(Vector2 topLeft, Vector2 bottomRight)
         {
             Left = topLeft.X;
@@ -18,6 +43,14 @@ namespace OpenTK.Math
             Right = topLeft.X;
             Bottom = topLeft.Y;
         }
+
+        /// <summary>
+        /// Constructs a new Box2 with the specified dimensions.
+        /// </summary>
+        /// <param name="left">The position of the left boundary.</param>
+        /// <param name="top">The position of the top boundary.</param>
+        /// <param name="right">The position of the right boundary.</param>
+        /// <param name="bottom">The position of the bottom boundary.</param>
         public Box2(float left, float top, float right, float bottom)
         {
             Left = left;
@@ -25,12 +58,33 @@ namespace OpenTK.Math
             Right = right;
             Bottom = bottom;
         }
-        public float Left, Right, Top, Bottom;
-        public float Width { get { return (float)System.Math.Abs(Right - Left); } }
-        public float Height { get { return (float)System.Math.Abs(Bottom - Top); } }
+
+        /// <summary>
+        /// Creates a new Box2 with the specified dimensions.
+        /// </summary>
+        /// <param name="top">The position of the top boundary.</param>
+        /// <param name="left">The position of the left boundary.</param>
+        /// <param name="right">The position of the right boundary.</param>
+        /// <param name="bottom">The position of the bottom boundary.</param>
+        /// <returns>A new OpenTK.Math.Box2 with the specfied dimensions.</returns>
         public static Box2 FromTLRB(float top, float left, float right, float bottom)
         {
             return new Box2(left, top, right, bottom);
         }
+
+        /// <summary>
+        /// Gets a float describing the width of the Box2 structure.
+        /// </summary>
+        public float Width { get { return (float)System.Math.Abs(Right - Left); } }
+
+        /// <summary>
+        /// Gets a float describing the height of the Box2 structure.
+        /// </summary>
+        public float Height { get { return (float)System.Math.Abs(Bottom - Top); } }
+
+        public override string ToString()
+        {
+            return String.Format("({0},{1})-({2},{3})", Left, Top, Right, Bottom);
+        }
     }
 }