diff --git a/BlueBerry/Bundles/org.blueberry.ui/src/berryIStructuredSelection.h b/BlueBerry/Bundles/org.blueberry.ui/src/berryIStructuredSelection.h
index 9d32c4cceb..c522f0c722 100755
--- a/BlueBerry/Bundles/org.blueberry.ui/src/berryIStructuredSelection.h
+++ b/BlueBerry/Bundles/org.blueberry.ui/src/berryIStructuredSelection.h
@@ -1,79 +1,79 @@
 /*=========================================================================
 
  Program:   BlueBerry Platform
  Language:  C++
  Date:      $Date$
  Version:   $Revision$
 
  Copyright (c) German Cancer Research Center, Division of Medical and
  Biological Informatics. All rights reserved.
  See MITKCopyright.txt or http://www.mitk.org/copyright.html for details.
 
  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE.  See the above copyright notices for more information.
 
  =========================================================================*/
 
 
 #ifndef BERRYISTRUCTUREDSELECTION_H_
 #define BERRYISTRUCTUREDSELECTION_H_
 
 #include "berryISelection.h"
 
 #include <berryObjectVector.h>
-
+#include <org_blueberry_ui_Export.h>
 namespace berry
 {
 
 /**
  * A selection containing elements.
  */
-struct IStructuredSelection : public ISelection {
+struct BERRY_UI IStructuredSelection : public ISelection {
 
   typedef ObjectVector<Object::Pointer> ContainerType;
   typedef ContainerType::const_iterator iterator;
 
   berryInterfaceMacro(IStructuredSelection, berry);
 
   /**
    * Returns the first element in this selection, or <code>null</code>
    * if the selection is empty.
    *
    * @return an element, or <code>null</code> if none
    */
   virtual Object::Pointer GetFirstElement() const = 0;
 
   /**
    * Returns an iterator to the beginning of the elements of this selection.
    *
    * @return an iterator over the selected elements
    */
   virtual iterator Begin() const = 0;
 
   /**
    * Returns an iterator to the end of the elements of this selection.
    *
    * @return an iterator over the selected elements
    */
   virtual iterator End() const = 0;
 
   /**
    * Returns the number of elements selected in this selection.
    *
    * @return the number of elements selected
    */
   virtual int Size() const = 0;
 
   /**
    * Returns the elements in this selection as a vector.
    *
    * @return the selected elements as a vector
    */
   virtual ContainerType::Pointer ToVector() const = 0;
 
 };
 
 }
 
 #endif /* BERRYISTRUCTUREDSELECTION_H_ */