添加项目文件。

KGdev.BI3D.Revit/Implementations/DefaultBI3DViewsProvider.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Autodesk.Revit.DB;
+using KGdev.BI3D.Revit.Common;
+
+namespace KGdev.BI3D.Revit.Implementations
+{
+    internal class DefaultBI3DViewsProvider : IBI3DViewsProvider
+    {
+        public View3D GetContextView3D(Document document)
+        {
+            Element element2 = (
+                from element in new FilteredElementCollector(document)
+                    .WhereElementIsNotElementType()
+                    .OfCategory(BuiltInCategory.OST_Views)
+                    .OfClass(typeof(View3D))
+                where element.Name == "3DBI-Context"
+                select element
+            ).FirstOrDefault<Element>();
+            return element2 as View3D;
+        }
+
+        public List<View3D> GetScenes(Document document)
+        {
+            return new FilteredElementCollector(document)
+                .OfCategory(BuiltInCategory.OST_Views)
+                .WhereElementIsNotElementType()
+                .OfClass(typeof(View3D))
+                .Cast<View3D>()
+                .Where(
+                    delegate(View3D v)
+                    {
+                        bool flag;
+                        try
+                        {
+                            flag = v.IsPerspective && v.Name.StartsWith("3DBI_");
+                        }
+                        catch
+                        {
+                            flag = false;
+                        }
+                        return flag;
+                    }
+                )
+                .ToList<View3D>();
+        }
+
+        public string GetSceneName(View3D view)
+        {
+            return view.Name.StartsWith("3DBI_") ? view.Name.Substring("3DBI_".Length) : view.Name;
+        }
+
+        private const string CONTEXT_VIEW_NAME = "3DBI-Context";
+
+        private const string VIEW_IS_SCENE_PREFIX = "3DBI_";
+    }
+}