{
      GridData choiceTableGridData = new GridData();
      choiceTableGridData.widthHint = Display.getCurrent().getBounds().width / 5;
      choiceTableGridData.heightHint = Display.getCurrent().getBounds().height / 3;
      choiceTableGridData.verticalAlignment = SWT.FILL;
      choiceTableGridData.horizontalAlignment = SWT.FILL;
      choiceTableGridData.grabExcessHorizontalSpace= true;
      choiceTableGridData.grabExcessVerticalSpace= true;
      choiceTable.setLayoutData(choiceTableGridData);
    }