-// Copyright (C) 2014 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2014-2021 CEA/DEN, EDF R&D, OPEN CASCADE
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
#include <GraphicsView_Viewer.h>
-class DependencyTree_ViewModel: public GraphicsView_Viewer
+#include "DependencyTree.h"
+
+class DEPENDENCYTREE_EXPORT DependencyTree_ViewModel: public GraphicsView_Viewer
{
Q_OBJECT