[NUI] Make TimePeriod.ReleaseSwigCPtr hidden

Signed-off-by: seungho <sbsh.baek@samsung.com>

diff --git a/src/Tizen.NUI/src/public/Common/TimePeriod.cs b/src/Tizen.NUI/src/public/Common/TimePeriod.cs
index fd8057f..4fc1b9b 100755 (executable)
--- a/src/Tizen.NUI/src/public/Common/TimePeriod.cs
+++ b/src/Tizen.NUI/src/public/Common/TimePeriod.cs
@@ -31,11 +31,6 @@ namespace Tizen.NUI
         {
         }
 
-        protected override void ReleaseSwigCPtr(System.Runtime.InteropServices.HandleRef swigCPtr)
-        {
-            Interop.TimePeriod.DeleteTimePeriod(swigCPtr);
-        }
-
         /// <summary>
         /// The constructor.
         /// Creates an time period object with the user-defined alpha function.
@@ -103,5 +98,12 @@ namespace Tizen.NUI
         {
             return (int)(sec * 1000);
         }
+
+        /// This will not be public opened.
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        protected override void ReleaseSwigCPtr(System.Runtime.InteropServices.HandleRef swigCPtr)
+        {
+            Interop.TimePeriod.DeleteTimePeriod(swigCPtr);
+        }
     }
 }