+       if(m_windowStyle & wxNB_RIGHT)
+               gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
+       if(m_windowStyle & wxNB_LEFT)
+               gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
+       if(m_windowStyle & wxNB_BOTTOM)
+               gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
+