•创建一个search
§ Search search = new Search();
•添加查找条件
search.Selection.SelectAll();
search.SearchConditions.Add(
SearchCondition.HasPropertyByName("LcRevitData“,
"LcRevitPropertyElementCategory").
EqualValue(VariantData.FromDisplayString("Stairs")));
•执行查找并高亮查找结果
ModelItemCollection items = search.FindAll(Application.ActiveDocument,false);
Application.ActiveDocument.CurrentSelection.CopyFrom(items);