private void TimerProc(Object source, ElapsedEventArgs ea)
{
theTimer.Enabled = false;
try
{
HttpWebRequest request = WebRequest.Create(theURL) as HttpWebRequest;
request.Timeout = theRequestTimeout;
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
if (response.StatusCode != HttpStatusCode.OK)
{
throw new Exception(String.Format(
"Server error (HTTP {0}: {1}).",
response.StatusCode,
response.StatusDescription));
}
DataContractJsonSerializer jsonSerializer = new DataContractJsonSerializer(typeof(ShotclockResponse));
object objResponse = jsonSerializer.ReadObject(response.GetResponseStream());
ShotclockResponse jsonResponse = objResponse as ShotclockResponse;
theDispatcher.BeginInvoke(DispatcherPriority.Send, theDelegate, jsonResponse);
}
}
catch (Exception e)
{
Logger.Log("Error retrieving data: " + e.Message, EventLogEntryType.Error, Logger.Type.RetrieveFailure);
theDispatcher.BeginInvoke(DispatcherPriority.Send, theDelegate, null);
}
theTimer.Enabled = true;
}
private void Update(ShotclockResponse aResponse)
{
if ( aResponse != null && aResponse.Status == "OK" )
{
Shotclock.Text = String.Format("{0:00}", aResponse.Time);
if (aResponse.Time <= theAttentionTime)
{
Shotclock.Fill = new SolidColorBrush(Colors.Yellow);
}
else
{
Shotclock.Fill = new SolidColorBrush(Colors.White);
}
}
else
{
Shotclock.Text = "-";
}
theUrl = URL.Text;
}