public override void BuildChildNodes(ITreeBuilder treeBuilder, object dataObject)
        {
            var folder = (SolutionTemplateConfigFolder)dataObject;

            foreach (string file in Directory.EnumerateFiles(folder.BaseDirectory))
            {
                var node = new SystemFile(file, folder.Solution);
                treeBuilder.AddChild(node);
            }

            foreach (string directory in Directory.EnumerateDirectories(folder.BaseDirectory))
            {
                var node = new SolutionTemplateConfigFolder(directory, folder.Solution);
                treeBuilder.AddChild(node);
            }
        }
        public override void BuildChildNodes(ITreeBuilder treeBuilder, object dataObject)
        {
            if (ShowingAllFiles(treeBuilder))
            {
                return;
            }

            if (!HasTemplateConfigDirectory(dataObject))
            {
                return;
            }

            var solution = (Solution)dataObject;
            //if (solution.TemplateConfigDirectoryExistsInSolution ())
            //	return;

            var folder = new SolutionTemplateConfigFolder(solution);

            treeBuilder.AddChild(folder);
        }