public FsItemBuildSolutionItemHierarchyVisitor()
 {
     _CurrentContextItems = new List <ISolutionItemViewModel>();
     _ItemsCount          = new SolutionItemsCount();
 }
 private FsItemBuildSolutionItemHierarchyVisitor(SolutionDirectoryViewModel viewModel,
                                                 SolutionItemsCount itemsCount)
 {
     _CurrentContextItems = viewModel.ChildItems;
     _ItemsCount          = itemsCount;
 }