private void placeComponents() { RowLayout rlButtons = new RowLayout(SWT.HORIZONTAL); rlButtons.marginHeight = 10; rlButtons.marginWidth = 10; rlButtons.spacing = 5; rlButtons.wrap = false; rlButtons.justify = false;  this.setLayout(rlButtons); this.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));  btnPrevious = new Button(this, SWT.FLAT); btnPrevious.setText("<< Back"); btnPrevious.addSelectionListener(wb); btnPrevious.setLayoutData(new RowData(70, 30));  btnPrevious.setEnabled(false);
private void placeComponents( ) { RowLayout rlButtons = new RowLayout( SWT.HORIZONTAL ); rlButtons.marginHeight = 10; rlButtons.marginWidth = 10; rlButtons.spacing = 5; rlButtons.wrap = false; rlButtons.justify = false;
    private void placeComponents()    {        RowLayout rlButtons = new RowLayout(SWT.HORIZONTAL);        rlButtons.marginHeight = 10;        rlButtons.marginWidth = 10;        rlButtons.spacing = 5;        rlButtons.wrap = false;        rlButtons.justify = false;                this.setLayout(rlButtons);        this.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));                btnPrevious = new Button(this, SWT.FLAT);        btnPrevious.setText("<< Back");        btnPrevious.addSelectionListener(wb);        btnPrevious.setLayoutData(new RowData(70, 30));        // DISABLED INITIALLY        btnPrevious.setEnabled(false);        btnNext = new Button(this, SWT.FLAT);        btnNext.setText("Next >>");        btnNext.addSelectionListener(wb);        btnNext.setLayoutData(new RowData(70, 30));        // DISABLED INITIALLY        btnNext.setEnabled(false);        btnAccept = new Button(this, SWT.FLAT);        btnAccept.setText("OK");        btnAccept.addSelectionListener(wb);        btnAccept.setLayoutData(new RowData(70, 30));        btnCancel = new Button(this, SWT.FLAT);        btnCancel.setText("Cancel");        btnCancel.addSelectionListener(wb);        btnCancel.setLayoutData(new RowData(70, 30));    }