--- /dev/null
+#ifndef OCCVIEWER_UTILITIES_H
+#define OCCVIEWER_UTILITIES_H
+
+#include "OCCViewer.h"
+#include "OCCViewer_ViewWindow.h"
+
+class OCCViewer_Viewer;
+
+#ifdef WIN32
+#pragma warning ( disable:4251 )
+#endif
+
+class OCCVIEWER_EXPORT OCCViewer_Utilities
+{
+public:
+
+ /*!
+ * Set 2D mode for the viewer. Hide or show 3D actions.
+ * \param theViewer an OCC viewer
+ * \param theMode OCC view window mode
+ */
+ static void setViewer2DMode( OCCViewer_Viewer* theViewer,
+ const OCCViewer_ViewWindow::Mode2dType& theMode );
+
+};
+
+#endif