table = formToolkit.createTable(group, SWT.BORDER);
table.setLinesVisible(true);
table.setSize(520, 500);
table.setHeaderVisible(true);
pt = new TPrinter(display, table, shell);
b = new THouse(Integer.parseInt(txtFloorNum.getText()), pt, Integer.parseInt(txtFreqNum.getText()), Integer.parseInt(txtEmpLift.getText()));
table.setBounds(0, 0, 520, 500);
formToolkit.paintBordersFor(table);
table.setHeaderVisible(true);