private async Task OnMessageReceivedAsync(IDialogContext context, IAwaitable <IMessageActivity> result)
{
var activity = await result;
try
{
await _router.SendToAllUsers(new FeedbackDialog(activity.Text));
await context.PostAsync("Your message has been broadcasted");
}
catch (Exception e)
{
Trace.TraceError(e.Message);
await context.PostAsync("An error has occured while sending message");
}
context.Done(true);
}
