[NUI] Fix worker thread handle removal issue

Since `ControlHandle` could be deleted at GC thread, we should use DisposeQueue here.

Signed-off-by: Eunki, Hong <eunkiki.hong@samsung.com>

diff --git a/src/Tizen.NUI/src/public/BaseComponents/ViewAccessibilityEvent.cs b/src/Tizen.NUI/src/public/BaseComponents/ViewAccessibilityEvent.cs
index 029b5a61c9d8c7d8582d35c98bd8b11bc8c4c55c..aa6f91a5f14181246532899873a9df3cec65186e 100755 (executable)
--- a/src/Tizen.NUI/src/public/BaseComponents/ViewAccessibilityEvent.cs
+++ b/src/Tizen.NUI/src/public/BaseComponents/ViewAccessibilityEvent.cs
@@ -209,10 +209,15 @@ namespace Tizen.NUI.BaseComponents
             }
 
             protected override bool ReleaseHandle()
+            {
+                DisposeQueue.Instance.Add(this);
+                return true;
+            }
+
+            public void Dispose()
             {
                 Interop.View.DeleteControlHandleView(handle);
                 this.SetHandle(IntPtr.Zero);
-                return true;
             }
         }