var instance = new GC.Spread.Sheets.StatusBar.StatusItem(name,
                                                        options,
                                                        options.menuContent,
                                                        options.align,
                                                        options.tipText,
                                                        options.visible,
                                                        options.showStatusInContexMenu,
                                                        options.value);
var value; // Type: any
value = instance.onUnbind();