// Handler for the SessionCompleted event on the Browser object.
// This implementation writes the values returned by the VoiceXML dialog to the console.
private void HandleSessionCompleted(object sender, SessionCompletedEventArgs e)
{
_waitForSessionCompleted.Set();
VoiceXmlResult result = e.Result;
String cityOffset = result.Namelist["CityOffset"].ToString();
String utterance = result.Namelist["CityOffset$.utterance"].ToString();
String confidence = result.Namelist["CityOffset$.confidence"].ToString();
String requestedTime = result.Namelist["timeAtRequestedCity"].ToString();
Console.WriteLine("Returned semantic result: " + cityOffset);
Console.WriteLine("Utterance: " + utterance);
Console.WriteLine("Confidence: " + confidence);
Console.WriteLine("Requested time: " + requestedTime);
}
// Handler for the SessionCompleted event on the Browser object.
// This implementation writes the values returned by the VoiceXML dialog to the console.
private void HandleSessionCompleted(object sender, SessionCompletedEventArgs e)
{
Console.WriteLine("VXML HandleSessionCompleted.");
VoiceXmlResult result = e.Result;
if (e.Result != null && e.Result.Namelist != null)
{
string levelName = string.Empty;
int choice = 0;
var selection = result.Namelist["menu"].ToString();
Console.WriteLine("selected menu " + selection);
currentLevel++;
levelName = selection;
if (currentLevel == 0)
{
if (int.TryParse(selection, out choice))
{
var topLevels = parser.TopLevelMenuOptions();
var option = topLevels.Where(opt => opt.Id.Equals(selection,
StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
levelName = option.Name;
}
PlayMenu(levelName);
selectedOptions.Insert(currentLevel, levelName);
}
else if (currentLevel == 1)
{
if (int.TryParse(selection, out choice))
{
var subLevels = parser.SubOptions(selectedOptions[0]);
var option = subLevels.Where(opt => opt.Id.Equals(selection,
StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
levelName = option.Name;
}
selectedOptions.Insert(currentLevel, levelName);
waitForMenuInput.Set();
}
}
else
{
waitForMenuInput.Set();
}
}
//Basic handling only.
//In production, this is a useful place to write application logs, as appropriate.
private void HandleSessionCompleted(object sender, SessionCompletedEventArgs e)
{
hangupCallButton.BackColor = buttonColor;
if (!runCompletedCB.Checked)
{
return;
}
if (e.Error != null)
{
AddResultStringToOutput(String.Format("Error on return: {0}", e.Error.Message));
}
else if (e.Cancelled)
{
AddResultStringToOutput("Run was cancelled by application. Call Status: "
+ voiceXmlBrowser.State);
}
else
{
AddResultStringToOutput("Run completed. Reason: " + e.Result.Reason);
AddResultStringToOutput("Namelist variables from VoiceXml page processing:\n");
if (e.Result != null && e.Result.Namelist != null)
{
foreach (string key in e.Result.Namelist.Keys)
{
AddResultStringToOutput(" " + key + " = " + e.Result.Namelist[key] + "\n");
}
}
}
//It is good practice to check the call state after the session terminicates and take appropriate action if
//the call is still active. Options include:
//1. Hangup (see below)
//2. Play a goodbye audio file on the call and then hangup
//3. Transfer, for example to customer service
//
//Current implementation calls helper method, which will terminate active calls and cleanup EventHandlers.
this.CleanupCall();
}
/// <summary>
/// Invoked when the session is complete. Sets the results of the session on the given task source.
/// </summary>
/// <param name="tcs"></param>
/// <param name="args"></param>
void OnSessionCompleted(TaskCompletionSource<VoiceXmlResult> tcs, SessionCompletedEventArgs args)
{
if (tcs.Task.IsCompleted)
return;
Dispatch(() =>
{
if (tcs.Task.IsCompleted)
return;
if (args.Cancelled)
tcs.SetCanceled();
else if (args.Error != null)
tcs.SetException(args.Error);
else if (args.Result.UnhandledThrowElement != null)
tcs.SetException(new UnhandledPageThrowException(args.Result.UnhandledThrowElement));
else
tcs.SetResult(args.Result);
});
}