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Wizard page - when to use pack()? [message #629368]

Tue, 28 September 2010 01:28

Larry Edelstein

Messages: 25
Registered: July 2009

Junior Member

My wizard isn't rendering correctly in Eclipse 3.6.1. It's leading me to wonder: when does one have to use Composite.pack()? Some SWT examples have it, and some don't.

How the wizard pages renders depends on the target platform. If I run my plugins in 3.5.2, they render correctly as soon as I open them. But in 3.6.1, their contents areas are blank when they first one. The pages use GridLayout.

If I use the mouse to resize the wizard dialog, it immediately renders just fine.
If I call pack() on the control that I pass to DialogPage.setControl(), the page renders, but it's not quite wide enough. A subsequent resize fixes the width.

Can someone shed some light? Is there a general rule for when to use pack()?

Larry Edelstein
Sr. Member Tech Staff
Salesforce.com

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Re: Wizard page - when to use pack()? [message #629730 is a reply to message #629368]

Wed, 29 September 2010 11:57

Lakshmi Shanmugam

Messages: 275
Registered: July 2009
Location: India

Senior Member

Hi,

You can use Composite.pack() when you want your composite to be resized to its preferred size. But its preferred size is computed from its layout.
This article could be useful --> Understanding Layouts

Lakshmi P Shanmugam

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