public void AddCommand(NodeGraphCommand command)
        {
            if (_IsProcessingHistory)
            {
                return;
            }

            if (null != _TransactionAdding)
            {
                _TransactionAdding.Add(command);

                if (NodeGraphManager.OutputDebugInfo)
                {
                    System.Diagnostics.Debug.WriteLine(string.Format("Add command to transaction {0} : {1}", _TransactionAdding.Name, command.Name));
                }
            }
        }
 public void Add(NodeGraphCommand command)
 {
     Commands.Add(command);
 }