1 files changed, 16 insertions, 1 deletions
diff --git a/demos/csharp/windows/ghostnet_wpf_example/PrintControl.xaml.cs b/demos/csharp/windows/ghostnet_wpf_example/PrintControl.xaml.cs
index bd5454b5..cf2973aa 100644
--- a/demos/csharp/windows/ghostnet_wpf_example/PrintControl.xaml.cs
+++ b/demos/csharp/windows/ghostnet_wpf_example/PrintControl.xaml.cs
@@ -1,4 +1,19 @@
-using System;
+/* Copyright (C) 2020-2021 Artifex Software, Inc.
+   All Rights Reserved.
+
+   This software is provided AS-IS with no warranty, either express or
+   implied.
+
+   This software is distributed under license and may not be copied,
+   modified or distributed except as expressly authorized under the terms
+   of the license contained in the file LICENSE in this distribution.
+
+   Refer to licensing information at http://www.artifex.com or contact
+   Artifex Software, Inc.,  1305 Grant Avenue - Suite 200, Novato,
+   CA 94945, U.S.A., +1(415)492-9861, for further information.
+*/
+
+using System;
 using System.Collections.Generic;
 using System.Windows;
 using System.Windows.Controls;