var instance = new GC.Spread.Sheets.Tables.TableStyle(backColor,
                                                     foreColor,
                                                     font,
                                                     borderLeft,
                                                     borderTop,
                                                     borderRight,
                                                     borderBottom,
                                                     borderHorizontal,
                                                     borderVertical,
                                                     textDecoration);
var value; // Type: TextDecorationType
value = instance.textDecoration;