public void loadPosition()
        {
            this.favoriteXml_ = new XmlDocument();

            this.favoriteList_ = new ObservableCollection <FavoriteViewModel>();

            favoriteXml_.Load(bookPath_ + "\\" + "favorite.xml");

            System.Xml.XmlNode favoritePositionNode
                = favoriteXml_["favoritePosition"];

            //this.positionFolderName_ = positionFolderNode["positionFolderName"].InnerText;
            //this.positionFolderCode_ = positionFolderNode["positionFolderCode"].InnerText;

            #region load WholePositionMaster

            this.masterFavoriteViewModel_ = new MasterFavoriteViewModel();

            this.favoriteList_.Add(this.masterFavoriteViewModel_);

            #endregion

            #region unclassifedFavorite Set

            System.Xml.XmlNode unclassifiedFavoriteNode
                = favoritePositionNode["unclassifiedFavorite"];

            FavoriteViewModel unclassifiedFavoriteBook = new FavoriteViewModel();

            unclassifiedFavoriteBook.setFromXml(unclassifiedFavoriteNode);

            this.unClassifiedFavoriteViewModel_ = unclassifiedFavoriteBook;
            this.favoriteList_.Add(unclassifiedFavoriteBook);

            #endregion

            foreach (System.Xml.XmlNode item in favoritePositionNode.SelectNodes("favorite"))
            {
                FavoriteViewModel favoriteBook = new FavoriteViewModel();

                favoriteBook.setFromXml(item);

                this.favoriteList_.Add(favoriteBook);
            }
        }
        // delete key event가 아니고 이거로 해도 대나...ㅡ.ㅡ;;
        //Occurs when a ListViewRow object becomes available for reuse.
        //private void instrumentListListView__UnloadingRow(object sender, ListViewRowEventArgs e)
        //{

        //}

        private void instrumentListListView__PreviewKeyDown(object sender, KeyEventArgs e)
        {
            Excel_instrumentViewModel e_ivm = ((ListView)sender).SelectedItem as Excel_instrumentViewModel;

            if (Key.Delete == e.Key && e_ivm != null)
            {
                int selectionCount = ((ListView)sender).SelectedIndex;

                //bool fileEdited = selectedFolder_.removeInstrument(e_ivm);
                bool fileEdited = false;

                bool masterEdited = selectedFolder_.removeInstrument(e_ivm);

                MasterFavoriteViewModel vm = this.selectedFolder_ as MasterFavoriteViewModel;

                if (vm != null)
                {
                    // masterfavor이면 rookbook에서 지워야함.
                    fileEdited = rootBookViewModel_.removeInstrument(e_ivm);
                }

                if (fileEdited)
                {
                    this.selectedViewModel_.saveXml();
                }

                e_ivm.Excel_eventManagerViewModel_.deleteEvent();

                this.instrumentListListView_.Items.Refresh();
                ((ListView)sender).SelectedIndex = selectionCount;
            }

            //((ListView)sender).SelectionMode

            //e.Handled = true;
        }
        public void loadPosition()
        {
            this.favoriteXml_ = new XmlDocument();

            this.favoriteList_ = new ObservableCollection<FavoriteViewModel>();

            favoriteXml_.Load(bookPath_ +"\\"+ "favorite.xml");

            System.Xml.XmlNode favoritePositionNode
                = favoriteXml_["favoritePosition"];

            //this.positionFolderName_ = positionFolderNode["positionFolderName"].InnerText;
            //this.positionFolderCode_ = positionFolderNode["positionFolderCode"].InnerText;

            #region load WholePositionMaster

            this.masterFavoriteViewModel_ = new MasterFavoriteViewModel();

            this.favoriteList_.Add(this.masterFavoriteViewModel_);

            #endregion

            #region unclassifedFavorite Set

            System.Xml.XmlNode unclassifiedFavoriteNode
                    = favoritePositionNode["unclassifiedFavorite"];

                FavoriteViewModel unclassifiedFavoriteBook = new FavoriteViewModel();

                unclassifiedFavoriteBook.setFromXml(unclassifiedFavoriteNode);

                this.unClassifiedFavoriteViewModel_ = unclassifiedFavoriteBook;
                this.favoriteList_.Add(unclassifiedFavoriteBook);

            #endregion

            foreach (System.Xml.XmlNode item in favoritePositionNode.SelectNodes("favorite"))
            {
                FavoriteViewModel favoriteBook = new FavoriteViewModel();

                favoriteBook.setFromXml(item);

                this.favoriteList_.Add(favoriteBook);
            }

        }