public SolutionConfigurationEntry AddItem(SolutionItem item, bool build, string itemConfiguration)
        {
            if (itemConfiguration == null)
            {
                itemConfiguration = Name;
            }
            SolutionConfigurationEntry conf = new SolutionConfigurationEntry(this, item);

            conf.Build             = build;
            conf.ItemConfiguration = itemConfiguration;
            configurations.Add(conf);
            if (parentSolution != null)
            {
                parentSolution.UpdateDefaultConfigurations();
            }
            return(conf);
        }