internal void DoNavigate(Uri source, NavigationMode f, Object navState)
{
/*
*/
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordHosting | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Info, EventTrace.Event.Wpf_NavigationAsyncWorkItem);
// Because shutdown is completed asynchronously, the DoNavigate callback might be called
// in the meantime.
if (IsDisposed)
return;
// Get or BeginGet WebResponse
// Special handling PackWebRequest, because it only support [....] right now.
// D2's plan is to support async in V2. Refer to PS #18958 and #17386.
// We should switch to async after those tasks are done.
WebResponse response = null;
try
{
if (_request is PackWebRequest)
{
response = WpfWebRequestHelper.GetResponse(_request);
if (response == null)
{
Uri requestUri = BindUriHelper.GetUriRelativeToPackAppBase(_request.RequestUri);
throw new Exception(SR.Get(SRID.GetResponseFailed, requestUri.ToString()));
}
// Have to use source instead of _request.RequestUri because the work around we put in
// to make fragment work with FileWebRequest. See function CreateWebRequest for details.
// Get Object from response
GetObjectFromResponse(_request, response, source, navState);
}
else
{
// Have to use source instead of _request.RequestUri because the work around we put in
// to make fragment work with FileWebRequest. See function CreateWebRequest for details.
RequestState requestState = new RequestState(_request, source, navState, Dispatcher.CurrentDispatcher);
// Async WebResponse for everything other than PackWebRequest
_request.BeginGetResponse(new AsyncCallback(HandleWebResponseOnRightDispatcher),
requestState);
}
}
// Catch WebException and IOException specifically so other types of exceptions do not lose the context.
catch (WebException e)
{
object extraData = navState is NavigateInfo ? null : navState;
if (! FireNavigationFailed(new NavigationFailedEventArgs(source, extraData, INavigatorHost, _request, response, e)))
{
throw;
}
}
catch (IOException e)
{
object extraData = navState is NavigateInfo ? null : navState;
if (! FireNavigationFailed(new NavigationFailedEventArgs(source, extraData, INavigatorHost, _request, response, e)))
{
throw;
}
}
}
Boolean SendMessageToServer()
{
Uri url = new Uri("http://gsoc.marcospividori.com.ar/fromdevices/messages");
RequestState myRequestState = new RequestState();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
myRequestState.request = request;
request.Method = "POST";
request.ContentType = "application/json";
allDone.Reset();
request.BeginGetRequestStream(new AsyncCallback(GetRequestStreamCallbackMessage), myRequestState);
allDone.WaitOne();
return myRequestState.success;
}