添加项目文件。

RevitJigSample/ExternalGraphics/JigDrawingServer.cs

@@ -0,0 +1,53 @@
+using System.Collections.Generic;
+using Autodesk.Revit.DB;
+
+namespace RevitJigSample.ExternalGraphics
+{
+    public class JigDrawingServer : DrawingServer
+    {
+        public List<Line> LineList { get; set; }
+
+        public JigDrawingServer(Document doc)
+            : base(doc)
+        {
+            this.LineList = new List<Line>();
+        }
+
+        public override string GetName()
+        {
+            return "IMPACT Jig Drawing Server";
+        }
+
+        public override string GetDescription()
+        {
+            return "IMPACT Jig Drawing Server";
+        }
+
+        public XYZ BasePoint { get; set; }
+
+        public XYZ NextPoint { get; set; }
+
+        public override List<Line> PrepareProfile()
+        {
+            return LineList;
+        }
+
+        public override bool CanExecute(View view)
+        {
+            return true;
+        }
+
+        public override Outline GetBoundingBox(View view)
+        {
+            if (this.LineList.Count > 0)
+            {
+                return new Outline(
+                    this.LineList[0].GetEndPoint(0),
+                    this.LineList[0].GetEndPoint(1)
+                );
+            }
+
+            return null;
+        }
+    }
+}