private static ITreeItem[] Build(string rootPath, Action <double?, string> progress)
{
var roots = Directory.EnumerateDirectories(rootPath, "*", SearchOption.TopDirectoryOnly);
FolderItem root = new FolderItem(rootPath);
double rateProgress = 1.0 / roots.Count();
int current = 0;
foreach (string viewFolder in roots)
{
current++;
progress(current * rateProgress, null);
progress(null, "Folder: " + viewFolder + "\r\n\r\n\r\n");
var files = Directory.EnumerateFiles(viewFolder, "*.sln", SearchOption.AllDirectories);
var folderItem = new FolderItem(Path.Combine(rootPath, viewFolder));
SolutionItem[] slns = files.Select(x => TryCreateSolution(x, folderItem, progress)).Where(x => x != null).ToArray();
if (slns.Length > 0)
{
folderItem.Children.AddRange(slns);
root.Children.Add(folderItem);
}
}
return(root.Children.ToArray());
}