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About the underlying system [message #446061]

Wed, 17 November 2004 14:25

bob

Messages: 60
Registered: July 2009

Member

When i create a widget, "SWT immediately creates the underlying platform
widget",so is that mean the widget can be shown on the screen? But i have to
open the shell first to make so happen.What does "SWT immediately creates
the underlying platform widget" mean exactly?

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Re: About the underlying system [message #446128 is a reply to message #446061]

Wed, 17 November 2004 15:42

Veronika Irvine

Messages: 1272
Registered: July 2009

Senior Member

Not quite sure what your question is. In order for a widget to be visible,
all of its parents need to be visible. Shell.open makes the Shell visible.

When the widget is created, the operating resources are allocated
immediately (handle(s)). This is not sufficient for causing the widget to
be rendered to the screen. The widget must be given a size and the parents
of the widget must be made visible.

"bob" <sdbxch@langchao.com> wrote in message
news:cnfn41$h8s$1@www.eclipse.org...
> When i create a widget, "SWT immediately creates the underlying platform
> widget",so is that mean the widget can be shown on the screen? But i have
> to
> open the shell first to make so happen.What does "SWT immediately creates
> the underlying platform widget" mean exactly?
>
>

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