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Composite com = new Composite(com_Content,SWT.NONE);
FillLayout gl_com = new FillLayout();
com.setLayout(gl_com);
final ScrolledComposite sc = new ScrolledComposite(com,SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
FillLayout fl = new FillLayout();
sc.setLayout(fl);
sc.setExpandHorizontal(true);
sc.setExpandVertical(true);
final Composite comSC = new Composite(sc,SWT.NONE);
comSC.setLayout(new FillLayout());
Group grpTextD = new Group(comSC, SWT.NONE);
sc.setContent(grpTextD);
sc.setMinSize(new Point(510,600));
comSC.setSize(comSC.computeSize(SWT.DEFAULT, SWT.DEFAULT));
ScrollBar vb = sc.getVerticalBar();
vb.setIncrement(10);
comSC.addMouseListener(new MouseAdapter(){
@Override
public void mouseDown(MouseEvent e){
comSC.setFocus();
}
});