Navisworks二次开发——图元属性获取

  try
            {
                //当前文档
                Document doc = Application.ActiveDocument;//application是运行了之后自动提供的                   
                if (Application.ActiveDocument != null &&
                   !Application.ActiveDocument.IsClear)
                {               
                    foreach (ModelItem item in Autodesk.Navisworks.Api.Application.ActiveDocument.CurrentSelection.SelectedItems)
                    {                      
                        foreach (var cat in item.PropertyCategories)
                        {                         
                            if (cat.DisplayName == "元素 ID")
                            {
                                foreach (var prop in cat.Properties)
                                {
                                    System.Windows.Forms.MessageBox.Show(prop.DisplayName);

                                    if (prop.DisplayName == "值")
                                    {
                                        System.Windows.Forms.MessageBox.Show(prop.Value.ToString());
                                    }
                                }
                            }
                        }
                    }
                }                        
                return 0;
            }
            catch (Exception ex)
            {
                System.Windows.Forms.MessageBox.Show(ex.Message);//输出显示异常信息
                return 0;
            }