using Autodesk.Revit.DB; using System; using System.Collections; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace FWindSoft.Revit.Common { public class ElementEqualityComparer: IEqualityComparer { public bool Equals(Element x, Element y) { bool flag = false; return x.Id==y.Id; } public int GetHashCode(Element obj) { return 0; } } }