private void addHeaderGroup(Composite parent) { Group group = new Group(parent, SWT.NONE); group.setText(Messages.CoProc2LaunchConfigurationMainTab_HeaderGroupTitle); GridLayout layout = new GridLayout(); layout.numColumns = 2; group.setLayout(layout); GridData gd = new GridData(); gd.grabExcessHorizontalSpace = true; gd.horizontalAlignment = SWT.FILL; group.setLayoutData(gd); headerTable = new HeaderTable(group); headerTable.addModifyListener(modifyListener); }