java - ScrolledComposite: scroll bar is not showing when needed -

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i have ui looks below.

enter image description here

what i'm trying here initialize whole ui in beginning , call relayout() method whenever user has filled input. problem here is, if content (the "name" here) takes more spaces, scroll bar supposed show , let user scroll can see data, scroll bar doesn't show @ all. 

protected void initializeframe() {     setlayout(new filllayout());      maincomposite = new composite(this, swt.none);     maincomposite.setbackground(getbackground());     gridlayout layout = new gridlayout(2, false);     maincomposite.setlayout(layout);      griddata data = new griddata();     data.horizontalalignment = griddata.fill;     data.grabexcesshorizontalspace = true;     data.horizontalspan = 2;     headingcomposite = new composite(maincomposite, swt.border);     headingcomposite.setbackground(getbackground());     headingcomposite.setlayoutdata(data);      scrolledcomposite = new scrolledcomposite(maincomposite, swt.v_scroll| swt.h_scroll);     scrolledcomposite.getverticalbar().setincrement(10);     scrolledcomposite.getverticalbar().setpageincrement(100);     scrolledcomposite.gethorizontalbar().setincrement(10);     scrolledcomposite.gethorizontalbar().setpageincrement(100);     scrolledcomposite.setexpandhorizontal(true);     scrolledcomposite.setexpandvertical(true);      data = new griddata(griddata.fill_both );     data.widthhint = 500;     scrolledcomposite.setlayoutdata(data);      lefteditorcomposite = new composite(scrolledcomposite, swt.border);     lefteditorcomposite.setbackground(getbackground());       scrolledcomposite.setcontent(lefteditorcomposite);      data = new griddata(griddata.fill_both);     data.widthhint = 150;     righteditorcomposite = new composite(maincomposite, swt.border);     righteditorcomposite.setbackground(getbackground());     righteditorcomposite.setlayoutdata(data); }  public void relayout() {     scrolledcomposite.setminsize(lefteditorcomposite.computesize(swt.default, swt.default)); }

can tell me wrong here?


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