btnTitleProp.setEnabled( getChart( ).getTitle( ).isVisible( ) );
	private void createButtonGroup( Composite parent )	{		Composite cmp = new Composite( parent, SWT.NONE );		{			cmp.setLayout( new GridLayout( 5, true ) );			GridData gridData = new GridData( GridData.FILL_HORIZONTAL );			gridData.horizontalSpan = 3;			gridData.grabExcessVerticalSpace = true;			gridData.verticalAlignment = SWT.END;			cmp.setLayoutData( gridData );		}		btnTitleProp = new Button( cmp, SWT.TOGGLE );		{			btnTitleProp.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );			btnTitleProp.setText( Messages.getString( "ChartSheetImpl.Label.TitleProperties" ) ); //$NON-NLS-1$			btnTitleProp.addSelectionListener( this );		}		btnBlockProp = new Button( cmp, SWT.TOGGLE );		{			btnBlockProp.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );			btnBlockProp.setText( Messages.getString( "ChartSheetImpl.Label.BlockProperties" ) ); //$NON-NLS-1$			btnBlockProp.addSelectionListener( this );		}		btnGeneralProp = new Button( cmp, SWT.TOGGLE );		{			btnGeneralProp.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );			btnGeneralProp.setText( Messages.getString( "ChartSheetImpl.Label.GeneralProperties" ) ); //$NON-NLS-1$			btnGeneralProp.addSelectionListener( this );		}	}