From cf9e8cfede19978fbd55f731325d52c9a94fda91 Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Tue, 3 Oct 2017 17:36:09 +0200
Subject: [PATCH] Use NotSupportedException

---
 .../Rendering/SceneGraph/DeferredDrawingContextImpl.cs          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Avalonia.Visuals/Rendering/SceneGraph/DeferredDrawingContextImpl.cs b/src/Avalonia.Visuals/Rendering/SceneGraph/DeferredDrawingContextImpl.cs
index 5fcd0e42bd..29c482c336 100644
--- a/src/Avalonia.Visuals/Rendering/SceneGraph/DeferredDrawingContextImpl.cs
+++ b/src/Avalonia.Visuals/Rendering/SceneGraph/DeferredDrawingContextImpl.cs
@@ -196,7 +196,7 @@ namespace Avalonia.Rendering.SceneGraph
 
         public IRenderTargetBitmapImpl CreateLayer(Size size)
         {
-            throw new NotImplementedException();
+            throw new NotSupportedException("Creating layers on a deferred drawing context not supported");
         }
 
         /// <inheritdoc/>