public void AddInitialMessages(Batch batch)
{
batch.Add(this);
if (Stepthrough == null)
{
return;
}
if (Stepthrough.progress != null) batch.Add(Stepthrough.progress);
batch.AddRange(Stepthrough.results.OfType<ClientMessage>());
if (Stepthrough.next != null) batch.Add(Stepthrough.next);
}