Revit.Plugln/FWindSoft/FWindSoft.Revit/Extension/DocumentExtension.cs

using Autodesk.Revit.DB;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FWindSoft.Revit
{
    public static class DocumentExtension
    {
        #region 过滤
        public static List<Element> GetElements(this Document doc, ElementFilter filter)
        {
            var collector = new FilteredElementCollector(doc);

            return collector.WherePasses(filter).ToList<Element>();
        }

        public static List<T> GetElements<T>(this Document doc) where T : Element
        {
            var collector = new FilteredElementCollector(doc);
            collector.OfClass(typeof(T));
            return collector.OfType<T>().ToList<T>();
        }
        public static List<T> GetElementTypes<T>(this Document doc, ElementFilter filter) where T : ElementType
        {
            var collector = new FilteredElementCollector(doc);
            collector.WherePasses(filter);
            collector.WhereElementIsElementType();
            collector.OfClass(typeof(T));
            return collector.OfType<T>().ToList<T>();
        }
        #endregion

        public static ElementType GetElementType(this Document doc, string typeName)
        {
            var types = doc.GetElements<ElementType>();
            return types.FirstOrDefault(type => type != null && type.Name == typeName);
        }


    }
}