private void SaveProject(Stream stream) { var project = new Nine.Studio.Serialization.Project() { Version = Editor.VersionString }; project.References.AddRange(References.Select(x => new Nine.Studio.Serialization.ProjectReference() { Source = x.FileName })); project.ProjectItems.AddRange(ProjectItems.Select(x => new Nine.Studio.Serialization.ProjectItem() { Source = x.RelativeFilename, Importer = x.Importer != null ? x.Importer.Value : null })); System.Xaml.XamlServices.Save(stream, project); }