From: huiyu,eun <huiyu.eun@samsung.com>
Date: Fri, 24 Nov 2017 07:29:59 +0000 (+0900)
Subject: [NUI] Fix NullReferenceException
X-Git-Tag: 4.0.1-preview1-00029~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F60%2F161760%2F1;p=platform%2Fcore%2Fcsapi%2Ftizenfx.git

[NUI] Fix NullReferenceException

Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object.

Change-Id: I625aed96587f6d2f1ecc0ea114ebc80af2dc9365
Signed-off-by: huiyu,eun <huiyu.eun@samsung.com>
---

diff --git a/src/Tizen.NUI/src/internal/Registry.cs b/src/Tizen.NUI/src/internal/Registry.cs
index cc03ca5..01a9168 100755
--- a/src/Tizen.NUI/src/internal/Registry.cs
+++ b/src/Tizen.NUI/src/internal/Registry.cs
@@ -103,7 +103,7 @@ namespace Tizen.NUI
 
             if (Instance._controlMap.TryGetValue(refObjectPtr, out weakReference))
             {
-                BaseHandle ret = weakReference.Target as BaseHandle;
+                BaseHandle ret = weakReference?.Target as BaseHandle;
                 return ret;
             }
             else