From 0dd59cb647dacea0bcabc894497ca53f5d219097 Mon Sep 17 00:00:00 2001
From: Zihan Chen <vczh@163.com>
Date: Fri, 6 Jul 2018 02:53:05 -0700
Subject: [PATCH] ...

---
 Tutorial/GacUI_Controls/DocumentEditorRibbon/Main.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Tutorial/GacUI_Controls/DocumentEditorRibbon/Main.cpp b/Tutorial/GacUI_Controls/DocumentEditorRibbon/Main.cpp
index 6eaf8a36..d4c03769 100644
--- a/Tutorial/GacUI_Controls/DocumentEditorRibbon/Main.cpp
+++ b/Tutorial/GacUI_Controls/DocumentEditorRibbon/Main.cpp
@@ -17,6 +17,7 @@ void GuiMain()
 		GetResourceManager()->LoadResourceOrPending(fileStream);
 	}
 	demo::MainWindow window;
+	window.ForceCalculateSizeImmediately();
 	window.MoveToScreenCenter();
 	GetApplication()->Run(&window);
 }
\ No newline at end of file