From c4ffe6ddaeee73147104bb373b14d2ab2fb539e1 Mon Sep 17 00:00:00 2001
From: Alec Jacobson <alecjacobson@gmail.com>
Date: Fri, 21 Oct 2016 09:45:25 -0400
Subject: [PATCH] fix error in 106 code

---
 tutorial/tutorial.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tutorial/tutorial.md b/tutorial/tutorial.md
index 91d360c45..d17b6043e 100644
--- a/tutorial/tutorial.md
+++ b/tutorial/tutorial.md
@@ -451,7 +451,7 @@ viewer.callback_init = [&](igl::viewer::Viewer& viewer)
   viewer.ngui->addButton("Print Hello",[](){ std::cout << "Hello\n"; });
 
   // call to generate menu
-  viewer.ngui->layout();
+  viewer.screen->performLayout();
   return false;
 };