From dc208979150335def37136b14dbecc5720678c72 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Thu, 29 Jun 2017 11:52:02 +0200
Subject: [PATCH] GeometryNode.Pen may be null.

---
 src/Avalonia.Visuals/Rendering/SceneGraph/GeometryNode.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Avalonia.Visuals/Rendering/SceneGraph/GeometryNode.cs b/src/Avalonia.Visuals/Rendering/SceneGraph/GeometryNode.cs
index 55c6a2b9b3..077a753b8d 100644
--- a/src/Avalonia.Visuals/Rendering/SceneGraph/GeometryNode.cs
+++ b/src/Avalonia.Visuals/Rendering/SceneGraph/GeometryNode.cs
@@ -29,7 +29,7 @@ namespace Avalonia.Rendering.SceneGraph
             IGeometryImpl geometry,
             IDictionary<IVisual, Scene> childScenes = null)
         {
-            Bounds = geometry.GetRenderBounds(pen.Thickness).TransformToAABB(transform);
+            Bounds = geometry.GetRenderBounds(pen?.Thickness ?? 0).TransformToAABB(transform);
             Transform = transform;
             Brush = ToImmutable(brush);
             Pen = ToImmutable(pen);