public async Task OnTurn(ITurnContext context)
{
await Padlock.WaitAsync();
// Start critical section
try
{
await context.Continue();
IDialog dialog = null;
if (!context.Replied)
{
if (context.CurrentDialog == null && _dialogs.Any(d => context.Activity.Command == d.Key))
{
dialog = _dialogs[context.Activity.Command.ToLowerInvariant()];
}
}
if (dialog != null)
{
await context.Begin(dialog);
}
}
finally
{
// End critical section
Padlock.Release();
}
}