[NUI] Fix NUI Manual TCT issue (#704)

[platform/core/csapi/tizenfx.git] / src / Tizen.NUI / src / public / Window.cs

diff --git a/src/Tizen.NUI/src/public/Window.cs b/src/Tizen.NUI/src/public/Window.cs
index bc610a4..542d513 100755 (executable)
--- a/src/Tizen.NUI/src/public/Window.cs
+++ b/src/Tizen.NUI/src/public/Window.cs
@@ -51,7 +51,7 @@ namespace Tizen.NUI
         private WindowResizedEventCallbackType _windowResizedEventCallback;
         private WindowFocusChangedEventCallbackType _windowFocusChangedEventCallback2;
 
-        private static readonly Window instance = Application.Instance.GetWindow();
+        private static readonly Window instance = Application.Instance?.GetWindow();
 
         internal Window(global::System.IntPtr cPtr, bool cMemoryOwn) : base(NDalicPINVOKE.Window_SWIGUpcast(cPtr), cMemoryOwn)
         {