private void iniciarMenuCENTER() {

		JInternalFrame internalFrame = new JInternalFrame("Tela");
		internalFrame.setEnabled(false);
		internalFrame.getContentPane().setBackground(SystemColor.text);

		JToolBar toolBar = new JToolBar();
		toolBar.setToolTipText("Barra de Ferramentas");
		toolBar.setBackground(SystemColor.text);

		JToggleButton tgButtonSelectionar = new JToggleButton("");
		tgButtonSelectionar.setToolTipText("Selecionar");
		tgButtonSelectionar
				.setIcon(new ImageIcon(
						"C:\\Users\\Leon Dias\\Documents\\GitHub\\UCDiagram\\Diagrama de Caso de Uso\\src\\Images\\CursorIcon.gif"));
		toolBar.add(tgButtonSelectionar);

		JToggleButton tgButtonActor = new JToggleButton("");
		tgButtonActor.setToolTipText("Ator");
		tgButtonActor
				.setIcon(new ImageIcon(
						"C:\\Users\\Leon Dias\\Documents\\GitHub\\UCDiagram\\Diagrama de Caso de Uso\\src\\Images\\Actor.png"));
		toolBar.add(tgButtonActor);

		JToggleButton tgButtonElipse = new JToggleButton("");
		tgButtonElipse.setToolTipText("Use Case");
		tgButtonElipse
				.setIcon(new ImageIcon(
						"C:\\Users\\Leon Dias\\Documents\\GitHub\\UCDiagram\\Diagrama de Caso de Uso\\src\\Images\\elipse.png"));
		toolBar.add(tgButtonElipse);

		JToggleButton tgButtonArrow = new JToggleButton("");
		tgButtonArrow
				.setIcon(new ImageIcon(
						"C:\\Users\\Leon Dias\\Documents\\GitHub\\UCDiagram\\Diagrama de Caso de Uso\\src\\Images\\right_arrow.png"));
		toolBar.add(tgButtonArrow);

		JToggleButton tgButtonExtends = new JToggleButton("");
		tgButtonExtends.setToolTipText("extends");
		tgButtonExtends
				.setIcon(new ImageIcon(
						"C:\\Users\\Leon Dias\\Documents\\GitHub\\UCDiagram\\Diagrama de Caso de Uso\\src\\Images\\extends.jpg"));
		toolBar.add(tgButtonExtends);

		ButtonGroup buttonGroup = new ButtonGroup();

		buttonGroup.add(tgButtonActor);
		buttonGroup.add(tgButtonElipse);
		buttonGroup.add(tgButtonArrow);
		buttonGroup.add(tgButtonExtends);
		buttonGroup.add(tgButtonSelectionar);

		// CONFIG. LAYOUT

		GroupLayout groupLayout = new GroupLayout(
				internalFrame.getContentPane());
		groupLayout.setHorizontalGroup(groupLayout.createParallelGroup(
				Alignment.LEADING).addComponent(toolBar,
				GroupLayout.PREFERRED_SIZE, 1266, GroupLayout.PREFERRED_SIZE));
		groupLayout.setVerticalGroup(groupLayout.createParallelGroup(
				Alignment.LEADING).addGroup(
				groupLayout
						.createSequentialGroup()
						.addComponent(toolBar, GroupLayout.PREFERRED_SIZE,
								GroupLayout.DEFAULT_SIZE,
								GroupLayout.PREFERRED_SIZE)
						.addContainerGap(613, Short.MAX_VALUE)));
		internalFrame.getContentPane().setLayout(groupLayout);

		internalFrame.setVisible(true);
		internalFrame.setClosable(false);

		getContentPane().add(internalFrame, BorderLayout.CENTER);
	}