/// <summary>
/// Menu level changed handler.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MenuLevelChanged(object sender, MenuLevelChangedEventArgs e)
{
if (e.Level == MenuLevel.HelpDeskRequested)
{
lock (this.syncRoot)
{
if (this.callAnchor == null)
{
this.callAnchor = new CustomerCallAnchor(this, this.logger, this.conversation);
}
try
{
var helpdeskNumber = e.HelpdeskNumber;
if (String.IsNullOrEmpty(helpdeskNumber))
{
Console.WriteLine("Null or empty help desk number");
this.logger.Log("Null or empty help desk number");
}
else
{
try
{
RealTimeAddress address = new RealTimeAddress(helpdeskNumber);
this.callAnchor.BeginEstablish(address,
(asyncResult) =>
{
try
{
this.callAnchor.EndEstablish(asyncResult);
}
catch (Exception ex)
{
this.callAnchor.BeginTerminate((terminateAsyncResult) => { this.callAnchor.EndTerminate(terminateAsyncResult); }, null);
Console.WriteLine("Call anchor failed with {0}", ex);
this.logger.Log("Call anchor failed with {0}", ex);
}
},
null);
}
catch (ArgumentException ae)
{
Console.WriteLine("Invalid help desk number {0}, Exception ={1}", helpdeskNumber, ae);
this.logger.Log("Invalid help desk number {0}, Exception ={1}", helpdeskNumber, ae);
}
}
}
catch (Exception ex)
{
Console.WriteLine("Call anchor failed with {0}", ex);
this.logger.Log("Call anchor failed with {0}", ex);
}
}
}
}
/// <summary>
/// Raise menu level changed event.
/// </summary>
/// <param name="previous"></param>
/// <param name="current"></param>
private void RaiseEvent(MenuLevel previous, MenuLevel current, string helpdeskNumber = null)
{
var eventHandler = this.MenuLevelChanged;
if (eventHandler != null)
{
MenuLevelChangedEventArgs eventArgs = new MenuLevelChangedEventArgs(previous, current);
eventArgs.HelpdeskNumber = helpdeskNumber;
eventHandler(this, eventArgs);
}
}
