public void loadProductExcelWB()
        {
            this.productExcelWBList_ = new ObservableCollection <ProductExcelWB>();

            // load
            string         fileName = @"D:\Project File\OTCDerivativesCalculatorModule\Project_CSharp\ExcelInterface\bin\Debug\product\hifive_ki.xlsm";
            ProductExcelWB wb       = new ProductExcelWB(fileName);

            this.productExcelWBList_.Add(wb);
        }
        public void loadProductExcelWB()
        {
            this.productExcelWBList_ = new ObservableCollection<ProductExcelWB>();

            // load
            string fileName = @"D:\Project File\OTCDerivativesCalculatorModule\Project_CSharp\ExcelInterface\bin\Debug\product\hifive_ki.xlsm";
            ProductExcelWB wb = new ProductExcelWB(fileName);
            this.productExcelWBList_.Add(wb);

        }
        private void TreeViewItem_DoubleClick(object sender, RoutedEventArgs e)
        {
            ProductExcelWB peWB = (ProductExcelWB)sender;

            peWB.openWB();
        }