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SWT group scrolling (help !!!) [message #463772]

Mon, 14 November 2005 20:46

jay vyas

Messages: 1
Registered: July 2009

Junior Member

Hi :

Does anybody know how to scroll a group ? I always try

Group g = new Group(p, SWT.V_SCROLL);
g.getVerticalBar().setVisible(true);

but get a null pointer exception on the second line..

Please help !!! I have an urgent deadline in a bioinformatics app.

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Re: SWT group scrolling (help !!!) [message #463785 is a reply to message #463772]

Tue, 15 November 2005 08:27

Eclipse User

Originally posted by: friederich.kupzog.de

Hi,

you need to investigate ScrolledComposite. Put this into your group. See
the ACPI doc for ScrolledComposite for how to use it.

Regards,
Friederich

jay wrote:
> Hi :
> Does anybody know how to scroll a group ? I always try
>
> Group g = new Group(p, SWT.V_SCROLL);
> g.getVerticalBar().setVisible(true);
> but get a null pointer exception on the second line..
>
> Please help !!! I have an urgent deadline in a bioinformatics app.
>
>

--
Friederich Kupzog
Elektronik & Software
Neusser Str. 5-7
50670 Köln
Tel 0241 160696-1
Fax 0221 726670
www.kupzog.de/fkmk

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Re: SWT group scrolling (help !!!) [message #463789 is a reply to message #463785]

Tue, 15 November 2005 08:45

Stefan Langer

Messages: 236
Registered: July 2009

Senior Member

If you want the whole group to scroll put the group into a
scrolledcomposite if you want the content of the group to scroll put the
scrolledcomposite as the direct child of the group and put all other
composites in the scrolledcomposite.

Make sure that you define decent sizes on the child component and use
the hints for minheight and minwidth on the scrolledcomposite to make
sure that scrolling appears at the correct time.

Regards
Stefan

Friederich Kupzog wrote:
> Hi,
>
> you need to investigate ScrolledComposite. Put this into your group. See
> the ACPI doc for ScrolledComposite for how to use it.
>
> Regards,
> Friederich
>
> jay wrote:
>
>> Hi :
>> Does anybody know how to scroll a group ? I always try
>>
>> Group g = new Group(p, SWT.V_SCROLL);
>> g.getVerticalBar().setVisible(true);
>> but get a null pointer exception on the second line..
>>
>> Please help !!! I have an urgent deadline in a bioinformatics app.
>>
>
>

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