添加项目文件。

KGdev.BI3D.Revit.Common/Models/LinkedDocumentInformation.cs

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+using System;
+using System.Collections.Generic;
+using Autodesk.Revit.DB;
+
+namespace KGdev.BI3D.Revit.Common.Models
+{
+    public class LinkedDocumentInformation
+    {
+        public Document Document { get; set; }
+
+        public Transform TransformToRoot { get; set; }
+
+        public List<ElementId> PassedLinkInstanceIds { get; set; } = new List<ElementId>();
+    }
+}

KGdev.BI3D.Revit.Common/Models/LinkedElementIdPath.cs

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+using System;
+using System.Collections.Generic;
+using Autodesk.Revit.DB;
+
+namespace KGdev.BI3D.Revit.Common.Models
+{
+    public class LinkedElementIdPath
+    {
+        public List<ElementId> ElementIds { get; private set; } = new List<ElementId>();
+
+        public LinkedElementIdPath(IList<ElementId> elementIds)
+        {
+            this.ElementIds.AddRange(elementIds);
+        }
+
+        public override bool Equals(object obj)
+        {
+            LinkedElementIdPath linkedElementIdPath = obj as LinkedElementIdPath;
+            bool flag = linkedElementIdPath == null;
+            bool flag2;
+            if (flag)
+            {
+                flag2 = false;
+            }
+            else
+            {
+                bool flag3 = this.ElementIds.Count != linkedElementIdPath.ElementIds.Count;
+                if (flag3)
+                {
+                    flag2 = false;
+                }
+                else
+                {
+                    for (int i = 0; i < this.ElementIds.Count; i++)
+                    {
+                        int integerValue = this.ElementIds[i].IntegerValue;
+                        int integerValue2 = linkedElementIdPath.ElementIds[i].IntegerValue;
+                        bool flag4 = integerValue != integerValue2;
+                        if (flag4)
+                        {
+                            return false;
+                        }
+                    }
+                    flag2 = true;
+                }
+            }
+            return flag2;
+        }
+
+        public override int GetHashCode()
+        {
+            int num = this.ElementIds.Count.GetHashCode();
+            foreach (ElementId elementId in this.ElementIds)
+            {
+                num ^= elementId.IntegerValue.GetHashCode();
+            }
+            return num;
+        }
+    }
+}