private void ConvertProject(string fileNameAndFilePath, esSettings settings) { esProject2010 project2010 = new esProject2010(); project2010.Load(fileNameAndFilePath, settings); ConvertProjectNodeSettings(project2010.RootNode); esProject project = new esProject(); // Manually copy root node of tree into new project project.RootNode = new esProjectNode(); project.RootNode.Name = project2010.RootNode.Name; project.RootNode.IsFolder = project2010.RootNode.IsFolder; project.RootNode.Children = project2010.RootNode.Children; project.RootNode.Settings = project2010.RootNode.Settings; FileInfo fileInfo = new FileInfo(fileNameAndFilePath); string backup = fileInfo.Name.Replace(fileInfo.Extension, ""); backup += "_original" + fileInfo.Extension; backup = fileInfo.DirectoryName + "\\" + backup; File.Copy(fileNameAndFilePath, backup, true); // Now Save it in our new format project.Save(fileNameAndFilePath, settings); }