// 双击ListBoxItem_materialName进入该材料的编辑界面
 private void updateMaterialName(object sender, RoutedEventArgs e)
 {
     if (curdType == "u")
     {
         currentClickRowOfListBox = listBox_materialName.SelectedIndex; // 从0开始索引
         // 改变currentMaterial,未改变findFromDataBaseMaterials
         // 如果已经修改过其他两个属性,则不去new
         if (currentMaterial == null)
         {
             currentMaterial = new Dictionary <string, Dictionary <string, string> >(findFromDataBaseMaterials[currentClickRowOfListBox]);
         }
         string materialName         = currentMaterial["materialName"]["content"];
         string refer                = currentMaterial["refer"]["content"];
         EditMaterialAttrWindow edaw = new EditMaterialAttrWindow();
         edaw.setMaterialName(materialName, refer);
         edaw.Topmost          = true;
         edaw.PassValuesEvent += new EditMaterialAttrWindow.PassValuesHandler(ReceivedVals);
         edaw.Show();
     }
 }