DragAndDrop : hide window event handler

diff --git a/src/Tizen.NUI/src/public/DragAndDrop/DragAndDrop.cs b/src/Tizen.NUI/src/public/DragAndDrop/DragAndDrop.cs
index c60558e..0e77eb8 100755 (executable)
--- a/src/Tizen.NUI/src/public/DragAndDrop/DragAndDrop.cs
+++ b/src/Tizen.NUI/src/public/DragAndDrop/DragAndDrop.cs
@@ -33,6 +33,7 @@ namespace Tizen.NUI
         public delegate void SourceEventHandler(DragSourceEventType sourceEventType);
         private delegate void InternalSourceEventHandler(int sourceEventType);
         public delegate void DragAndDropEventHandler(View targetView, DragEvent dragEvent);
+        [EditorBrowsable(EditorBrowsableState.Never)]
         public delegate void DragAndDropWindowEventHandler(Window targetWindow, DragEvent dragEvent);
         private delegate void InternalDragAndDropEventHandler(global::System.IntPtr dragEvent);
         private InternalSourceEventHandler sourceEventCb;