public static void SetBookmarkStyles(CodeDocumentViewModel codeDocumentViewModel, ControlCollection controls, string solutionFilePath) { var styles = new List <BookmarkStyle>(); foreach (var item in controls) { var label = item as Label; styles.Add(new BookmarkStyle(ColorHelper.ToMediaColor(label.BackColor), ColorHelper.ToMediaColor(label.ForeColor))); } codeDocumentViewModel.BookmarkStyles = styles; SolutionStorageHelper.SaveToSolutionStorage(solutionFilePath, codeDocumentViewModel); }