From d64a4a774cec477ec21c6b70b6ec8ca1f1c11d67 Mon Sep 17 00:00:00 2001
From: kike-garbo <kike.garbo@gmail.com>
Date: Fri, 6 Sep 2024 18:47:50 +0200
Subject: [PATCH] Fix on 'Host Shape' when input points overlap corners.

---
 src/RhinoInside.Revit.GH/Types/HostObjects/HostObject.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/RhinoInside.Revit.GH/Types/HostObjects/HostObject.cs b/src/RhinoInside.Revit.GH/Types/HostObjects/HostObject.cs
index 0d66a4d7b..3b2d4e055 100644
--- a/src/RhinoInside.Revit.GH/Types/HostObjects/HostObject.cs
+++ b/src/RhinoInside.Revit.GH/Types/HostObjects/HostObject.cs
@@ -91,13 +91,13 @@ internal bool SetSlabShape(IList<Point3d> points, IList<Line> creases, out IList
         using (shape as IDisposable) // ARDB.SlabShapeEditor is IDisposable since Revit 2023
         {
           shape.ResetSlabShape();
+          shape.Enable();
           host.Document.Regenerate();
 
           var bbox = BoundingBox;
           var elevation = GeometryEncoder.ToInternalLength(bbox.Max.Z);
 
-          shape.Enable();
-          var vertices = new Dictionary<Point3d, ARDB.SlabShapeVertex>();
+          var vertices = new Dictionary<Point3d, ARDB.SlabShapeVertex>(shape.SlabShapeVertices.Size + points.Count);
           ARDB.SlabShapeVertex AddVertex(Point3d point)
           {
             var x = GeometryEncoder.ToInternalLength(point.X);