From 5e844308685ea679d3fca0eadf38ffb727a9649c Mon Sep 17 00:00:00 2001
From: Steven Kirk <grokys@gmail.com>
Date: Sat, 7 Jan 2017 20:21:01 +0100
Subject: [PATCH] Don't focus Win32 window in design mode.

Fixes #837.
---
 src/Windows/Avalonia.Win32/WindowImpl.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Windows/Avalonia.Win32/WindowImpl.cs b/src/Windows/Avalonia.Win32/WindowImpl.cs
index 2129090a643..db465387961 100644
--- a/src/Windows/Avalonia.Win32/WindowImpl.cs
+++ b/src/Windows/Avalonia.Win32/WindowImpl.cs
@@ -709,7 +709,10 @@ private void ShowWindow(WindowState state)
                 MaximizeWithoutCoveringTaskbar();
             }
 
-            SetFocus(_hwnd);
+            if (!Design.IsDesignMode)
+            {
+                SetFocus(_hwnd);
+            }
         }
 
         private void MaximizeWithoutCoveringTaskbar()