添加项目文件。

HYDragCurveJigPro/CurveFilter.cs

@@ -0,0 +1,20 @@
+using Autodesk.Revit.DB;
+using Autodesk.Revit.UI.Selection;
+
+using System;
+
+namespace HYDragCurveJig
+{
+    public class CurveFilter : ISelectionFilter
+    {
+        public bool AllowElement(Element elem)
+        {
+            return elem.GetType() == typeof(ModelLine) || elem.GetType() == typeof(ModelArc) || elem.GetType() == typeof(DetailLine) || elem.GetType() == typeof(DetailArc);
+        }
+
+        public bool AllowReference(Reference reference, XYZ pos)
+        {
+            return false;
+        }
+    }
+}