push notification helper library

http://windowsteamblog.com/windows_phone/b/wpdev/archive/2011/01/14/windows-push-notification-server-side-helper-library.aspx
http://create.msdn.com/en-us/education/catalog/article/pnhelp-wp7

main/Libs/PushRecipe_WP7_SL/Source/WindowsPhone.Recipes.Push.Messasges/MessageSendResult.cs

@@ -0,0 +1,115 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Net;
+using System.Runtime.Serialization;
+
+namespace WindowsPhone.Recipes.Push.Messasges
+{
+    /// <summary>
+    /// Push notification message send operation result.
+    /// </summary>
+    public class MessageSendResult
+    {
+        #region Properties
+
+        /// <summary>
+        /// Gets the original exception or null.
+        /// </summary>
+        public Exception Exception { get; private set; }
+
+        /// <summary>
+        /// Gets the response time offset.
+        /// </summary>
+        public DateTimeOffset Timestamp { get; private set; }
+
+        /// <summary>
+        /// Gets the associated message.
+        /// </summary>
+        public PushNotificationMessage AssociatedMessage { get; private set; }
+
+        /// <summary>
+        /// Gets the channel URI.
+        /// </summary>
+        public Uri ChannelUri { get; private set; }
+
+        /// <summary>
+        /// Gets the web request status.
+        /// </summary>
+        public HttpStatusCode StatusCode { get; private set; }
+
+        /// <summary>
+        /// Gets the push notification status.
+        /// </summary>
+        public NotificationStatus NotificationStatus { get; private set; }
+
+        /// <summary>
+        /// Gets the device connection status.
+        /// </summary>
+        public DeviceConnectionStatus DeviceConnectionStatus { get; private set; }
+
+        /// <summary>
+        /// Gets the subscription status.
+        /// </summary>
+        public SubscriptionStatus SubscriptionStatus { get; private set; }
+
+        #endregion
+
+        #region Ctor
+
+        /// <summary>
+        /// Initializes a new instance of this type.
+        /// </summary>
+        internal MessageSendResult(PushNotificationMessage associatedMessage, Uri channelUri, WebResponse response)
+        {
+            Timestamp = DateTimeOffset.Now;
+            AssociatedMessage = associatedMessage;
+            ChannelUri = channelUri;
+
+            InitializeStatusCodes(response as HttpWebResponse);
+        }        
+
+        /// <summary>
+        /// Initializes a new instance of this type.
+        /// </summary>
+        internal MessageSendResult(PushNotificationMessage associatedMessage, Uri channelUri, WebException exception)
+            : this(associatedMessage, channelUri, response: exception.Response)
+        {
+            Exception = exception;
+        }
+
+        /// <summary>
+        /// Initializes a new instance of this type.
+        /// </summary>
+        internal MessageSendResult(PushNotificationMessage associatedMessage, Uri channelUri, Exception exception)
+            : this(associatedMessage, channelUri, response: null)
+        {
+            Exception = exception;
+        }
+
+        #endregion
+
+        #region Privates
+
+        private void InitializeStatusCodes(HttpWebResponse response)
+        {
+            if (response == null)
+            {
+                StatusCode = HttpStatusCode.InternalServerError;
+                NotificationStatus = NotificationStatus.NotApplicable;
+                DeviceConnectionStatus = DeviceConnectionStatus.NotApplicable;
+                SubscriptionStatus = SubscriptionStatus.NotApplicable;
+            }
+            else
+            {
+                StatusCode = response.StatusCode;
+                NotificationStatus = response.GetNotificationStatus();
+                DeviceConnectionStatus = response.GetDeviceConnectionStatus();
+                SubscriptionStatus = response.GetSubscriptionStatus();
+            }
+        }
+        
+        #endregion
+    }    
+}