/// <summary>
/// Called when a corresponding asynchronous send operation completes.
/// </summary>
/// <param name="result">The result of the asynchronous operation.</param>
private static void AsyncSendCallback(IAsyncResult result)
{
TrackbackResponse response = null;
WebRequest httpWebRequest = null;
TrackbackClient client = null;
Uri host = null;
TrackbackMessage message = null;
WebRequestOptions options = null;
object userToken = null;
if (result.IsCompleted)
{
object[] parameters = (object[])result.AsyncState;
httpWebRequest = parameters[0] as WebRequest;
client = parameters[1] as TrackbackClient;
host = parameters[2] as Uri;
message = parameters[3] as TrackbackMessage;
options = parameters[4] as WebRequestOptions;
userToken = parameters[5];
if (client != null)
{
WebResponse httpWebResponse = (WebResponse)httpWebRequest.EndGetResponse(result);
response = new TrackbackResponse(httpWebResponse);
client.OnMessageSent(new TrackbackMessageSentEventArgs(host, message, response, options, userToken));
client.SendOperationInProgress = false;
}
}
}
//============================================================
// CALLBACK DELEGATE METHODS
//============================================================
#region AsyncSendCallback(IAsyncResult result)
/// <summary>
/// Called when a corresponding asynchronous send operation completes.
/// </summary>
/// <param name="result">The result of the asynchronous operation.</param>
private static void AsyncSendCallback(IAsyncResult result)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
TrackbackResponse response = null;
WebRequest httpWebRequest = null;
TrackbackClient client = null;
Uri host = null;
TrackbackMessage message = null;
WebRequestOptions options = null;
object userToken = null;
//------------------------------------------------------------
// Determine if the async send operation completed
//------------------------------------------------------------
if (result.IsCompleted)
{
//------------------------------------------------------------
// Extract the send operations parameters from the user state
//------------------------------------------------------------
object[] parameters = (object[])result.AsyncState;
httpWebRequest = parameters[0] as WebRequest;
client = parameters[1] as TrackbackClient;
host = parameters[2] as Uri;
message = parameters[3] as TrackbackMessage;
options = parameters[4] as WebRequestOptions;
userToken = parameters[5];
//------------------------------------------------------------
// Verify expected parameters were found
//------------------------------------------------------------
if (client != null)
{
//------------------------------------------------------------
// Get the Trackback response to the Trackback ping request
//------------------------------------------------------------
WebResponse httpWebResponse = (WebResponse)httpWebRequest.EndGetResponse(result);
//------------------------------------------------------------
// Extract the Trackback response to the Trackback ping request
//------------------------------------------------------------
response = new TrackbackResponse(httpWebResponse);
//------------------------------------------------------------
// Raise SendCompleted event to notify registered handlers of state change
//------------------------------------------------------------
client.OnMessageSent(new TrackbackMessageSentEventArgs(host, message, response, options, userToken));
//------------------------------------------------------------
// Reset async operation in progress indicator
//------------------------------------------------------------
client.SendOperationInProgress = false;
}
}
}
