how to showing vertical scrollbar thumb when swt text contol size is increase?

[yatinbvn]

hi , my name is yatin

i have creating swt text with vertical scroll bar in shell, my question is:

vertical scroll bar thumb is still visible in swt text when its size is not increase , i want to showing that thumbs when size of swt text is increase ?

my code is below

import org.eclipse.erc p.swt.*;
.
.
..
.
...
class{
.
.
.
.
.
MobileShell chapternotesshe ll = new MobileShell(Dis play.getCurrent (), SWT.MAX);

chapternotesshe ll.setLayout(ne w FillLayout(SWT. VERTICAL));

Text chaptertextnote s = new Text(chapternot esshell,SWT.BOR DER|SWT.MULTI|S WT.RESIZE|SWT.V _SCROLL);

chaptertextnote s.setText("");
chaptertextnote s.setSelection( 0);

chapternotesshe ll.layout(true) ;
chapternotesshe ll.open();
chapternotesshe ll.setActive();

}