From: dongsug.song <dongsug.song@samsung.com>
Date: Mon, 4 Dec 2017 08:07:27 +0000 (+0900)
Subject: [NUI] add null check condition for weakReference of Registry
X-Git-Tag: 5.0.0-preview1-00398^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e699247859ac3011526fe5cf3d52577f304f5515;p=platform%2Fcore%2Fcsapi%2Ftizenfx.git

[NUI] add null check condition for weakReference of Registry

Change-Id: Iadd764d0d1c7750415317f1360eec274c271940b
Signed-off-by: dongsug.song <dongsug.song@samsung.com>
---

diff --git a/src/Tizen.NUI/src/internal/Registry.cs b/src/Tizen.NUI/src/internal/Registry.cs
index 6d2a22b..aea7cbe 100755
--- a/src/Tizen.NUI/src/internal/Registry.cs
+++ b/src/Tizen.NUI/src/internal/Registry.cs
@@ -115,7 +115,8 @@ namespace Tizen.NUI
 
             if (Instance._controlMap.TryGetValue(refObjectPtr, out weakReference))
             {
-                BaseHandle ret = weakReference?.Target as BaseHandle;
+                if(weakReference == null) { throw new System.InvalidOperationException("Error! NUI Registry weakReference should not be NULL!"); }
+                BaseHandle ret = weakReference.Target as BaseHandle;
                 return ret;
             }
             else