Add guide for ChargingStateChanged events

PS2: Reviewed

Change-Id: I9256e80324335f897d853159a8c89bccba659966
Signed-off-by: lokilee73 <changjoo.lee@samsung.com>

diff --git a/org.tizen.guides/html/dotnet/attached_devices.htm b/org.tizen.guides/html/dotnet/attached_devices.htm
index be9373b..4985980 100755 (executable)
--- a/org.tizen.guides/html/dotnet/attached_devices.htm
+++ b/org.tizen.guides/html/dotnet/attached_devices.htm
@@ -277,6 +277,7 @@ Power.ReleaseCpuLock();
 
 <ul>
        <li><code>LevelChanged</code> and <code>PercentChanged</code> events in the <a href="https://developer.tizen.org/dev-guide/csapi/classTizen_1_1System_1_1Battery.html">Tizen.System.Battery</a> class are called when the battery level and charge percentage change.</li>
+       <li><code>ChargingStateChanged</code> event in the <a href="https://developer.tizen.org/dev-guide/csapi/classTizen_1_1System_1_1Battery.html">Tizen.System.Battery</a> class is called when the charger is connected or disconnected.</li>
        <li><code>StateChanged</code> event in the <a href="https://developer.tizen.org/dev-guide/csapi/classTizen_1_1System_1_1Display.html">Tizen.System.Display</a> class is called when the device display state changes.</li>
        <li><code>BrightnessChanged</code> event in the <a href="https://developer.tizen.org/dev-guide/csapi/classTizen_1_1System_1_1Led.html">Tizen.System.Led</a> class is called when LED brightness changes.</li>
 </ul>
@@ -329,4 +330,4 @@ var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga
 </script>
 
 </body>
-</html>
\ No newline at end of file
+</html>