添加项目文件。

RevitJigSample/ExternalGraphics/RenderingPassBufferStorage.cs

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+using System.Collections.Generic;
+using Autodesk.Revit.DB;
+using Autodesk.Revit.DB.DirectContext3D;
+
+namespace RevitJigSample.ExternalGraphics
+{
+    public class RenderingPassBufferStorage
+    {
+        public RenderingPassBufferStorage(DisplayStyle displayStyle)
+        {
+            this.DisplayStyle = displayStyle;
+            this.Meshes = new List<MeshInfo>();
+            this.EdgeXYZs = new List<IList<XYZ>>();
+        }
+
+        public DisplayStyle DisplayStyle { get; }
+
+        public VertexFormatBits FormatBits { get; set; }
+
+        public List<MeshInfo> Meshes { get; }
+
+        public List<IList<XYZ>> EdgeXYZs { get; }
+
+        public int PrimitiveCount { get; set; }
+
+        public int VertexBufferCount { get; set; }
+
+        public int IndexBufferCount { get; set; }
+
+        public VertexBuffer VertexBuffer { get; set; }
+
+        public IndexBuffer IndexBuffer { get; set; }
+
+        public VertexFormat VertexFormat { get; set; }
+
+        public EffectInstance EffectInstance { get; set; }
+    }
+}