revit api 过滤器获取元素

通过过滤器取到元素

using System;
using Autodesk.Revit.UI;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI.Selection;
using System.Collections.Generic;
namespace HelloRevit
{[Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Automatic)]public class Class1 : IExternalCommand{public Autodesk.Revit.UI.Result Execute(ExternalCommandData revit,ref string message, ElementSet elements){try{Document document = revit.Application.ActiveUIDocument.Document;// 创建一个类过滤器来过滤出所有的FamilyInstance类的元素。ElementClassFilter familyInstanceFilter = new  ElementClassFilter(typeof(FamilyInstance));// 创建一个类别过滤器来过滤出所有的内建类型为OST_Doors的元素。ElementCategoryFilter doorsCategoryfilter =new ElementCategoryFilter(BuiltInCategory.OST_Doors);// 创建一个逻辑过滤器来组合前面两个过滤器，实现过滤出所有Door元素。LogicalAndFilter doorInstancesFilter =new LogicalAndFilter(familyInstanceFilter, doorsCategoryfilter);FilteredElementCollector collector = new FilteredElementCollector(document);ICollection<ElementId> doors = collector.WherePasses(doorInstancesFilter).ToElementIds();String prompt = "The ids of the doors in the current document are:";foreach (ElementId id in doors){prompt += "\n\t" + id.IntegerValue;}TaskDialog.Show("Revit", prompt);}catch (Exception e){message = e.Message;return Autodesk.Revit.UI.Result.Failed;}return Autodesk.Revit.UI.Result.Succeeded;}}
}