//Normally the list-building logic would be in its own method on a separate thread. But this is a bit of a special case.
public override void Run()
{
if (string.IsNullOrEmpty(Source) || string.IsNullOrEmpty(Destination))
throw new InvalidOperationException("Source and Destination must both be defined.");
CopyOperation operation = BuildOperation();
OperationWorker worker = new OperationWorker(1, "Single file backup: " + Source);
worker.ProgressMade += Worker_ProgressMade;
worker.EnqueueOperation(operation);
worker.Start();
}
private void RegisterWorker(RootSet roots)
{
OperationWorker worker = new OperationWorker(threadsPerWorker, roots.ToString());
worker.ProgressMade += Worker_ProgressMade;
workers.Add(roots, worker);
if (State == OperationState.Running)
{
worker.Start();
}
}