private static void CheckIconXamlFiles()

in code/tools/TemplateValidator/TemplateFolderVerifier.cs [310:352]
37 lines of code
13 McCabe index (conditional complexity)

        private static void CheckIconXamlFiles(IEnumerable<string> templateFolders, List<string> results)
        {
            var iconFiles = new List<string>();

            foreach (var rootFolder in templateFolders)
            {
                iconFiles.AddRange(new DirectoryInfo(rootFolder)
                    .GetFiles("icon.xaml", SearchOption.AllDirectories)
                    .Select(file => file.FullName));
            }

            foreach (var iconFile in iconFiles)
            {
                var doc = new XmlDocument();
                doc.Load(iconFile);

                var ellipses = doc.GetElementsByTagName("Ellipse");

                foreach (XmlNode ellipse in ellipses)
                {
                    if (ellipse.Attributes != null && ellipse.Attributes.Count > 1
                        && ellipse.Attributes["Fill"] != null && ellipse.Attributes["Stroke"] != null)
                    {
                        results.Add(
                            $"'{iconFile}' contains an Ellipse with both Fill and Stroke specified when use of only one is supported.");
                        break;
                    }
                }

                var rectangles = doc.GetElementsByTagName("Rectangle");

                foreach (XmlNode rectangle in rectangles)
                {
                    if (rectangle.Attributes != null && rectangle.Attributes.Count > 1
                        && rectangle.Attributes["Fill"] != null && rectangle.Attributes["Stroke"] != null)
                    {
                        results.Add(
                            $"'{iconFile}' contains a Rectangle with both Fill and Stroke specified when use of only one is supported.");
                        break;
                    }
                }
            }
        }