Update Telephony API guide

 - As per the review comment
   Add the example code for deregistering callback usage

PS2: Reviewed

Change-Id: I145928ba509048a1ab8cc2a17edd1f7933d04968

diff --git a/org.tizen.guides/html/dotnet/telephony.htm b/org.tizen.guides/html/dotnet/telephony.htm
index ff39f03..210e54e 100644 (file)
--- a/org.tizen.guides/html/dotnet/telephony.htm
+++ b/org.tizen.guides/html/dotnet/telephony.htm
@@ -174,7 +174,12 @@ private static void ChangeNotificationDelegate(object sender, ChangeNotification
    }
 }
 </pre></li>
-<li>When the notifications are no longer needed, deregister the callback for each call state with the <code>RemoveNotificationId()</code> method.</li></ol>
+<li>When the notifications are no longer needed, deregister the callback for each call state with the <code>RemoveNotificationId()</code> method:
+
+<pre class="prettyprint">
+simList.ElementAt(0).RemoveNotificationId(list);
+</pre>
+</li></ol>
 </li>
 </ul>
 
@@ -223,7 +228,10 @@ private static void ChangeNotificationDelegate(object sender, ChangeNotification
     Log.Info(Globals.LogTag, "Sim state = " + args.NotificationData);
 }
 </pre></li>
-        <li>When the notifications are no longer needed, deregister the callback with the <code>RemoveNotificationId()</code> method.</li>
+        <li>When the notifications are no longer needed, deregister the callback with the <code>RemoveNotificationId()</code> method:
+<pre class="prettyprint">
+simList.ElementAt(0).RemoveNotificationId(list);
+</pre></li>
     </ol></li>
 </ul>
 
@@ -269,7 +277,11 @@ private static void ChangeNotificationDelegate(object sender, ChangeNotification
     Log.Info(Globals.LogTag, "Network service state = " + args.NotificationData);
 }
 </pre></li>
-<li>When the notifications are no longer needed, deregister the callback for each service state with the <code>RemoveNotificationId()</code> method.</li>
+<li>When the notifications are no longer needed, deregister the callback for each service state with the <code>RemoveNotificationId()</code> method:
+
+<pre class="prettyprint">
+simList.ElementAt(0).RemoveNotificationId(list);
+</pre></li>
 </ol></li>
 </ul>