/// <summary>
/// Register a sub dataflow as child. Also make sure the dataflow will fail if the registered dataflow fails.
/// </summary>
public void RegisterChild(Dataflow childFlow, Action <Task> dataflowCompletionCallback = null, bool allowDuplicate = false)
{
if (childFlow == null)
{
throw new ArgumentNullException("childFlow");
}
if (childFlow.IsMyChild(this))
{
throw new ArgumentException(
string.Format("{0} Cannot register a child {1} who is already my ancestor", this.FullName, childFlow.FullName));
}
RegisterChild(new DataflowDependency(childFlow, this, DependencyKind.Internal, dataflowCompletionCallback), allowDuplicate);
}
