Re: [platform-swt-dev] in a sub thread, how to call a widget of its fath

[Cheng Mo <w21009@xxxxxxxxxxxx>]

No need to use event and listener.
Use Display#syncExec() or Display#asyncExec() instead, which will make 
UI Thread execute a piece of code.
For example:
Display display = ....;
display.syncExec( new Runnable() {
   public void run() {
      label.setText("abc");
   }
});



tinawang wrote:

> Hi
>   So, may I use event and listener to inform the UI Thread to modify 
> its widget such as Label.
>   If it can, could you please provide a slip of code !
> Regard
> -Tina
>
>
> Cheng Mo wrote:
>
> > In SWT only UI Thread can access widgets and only one UI Thread.
> > That is the rule of SWT.
> > Perhaps this is because swt is designed for Eclipse.
> >
> >
> >
> >
> >
> > tinawang wrote:
> >
> > > Hi all
> > >     I know in Swing I can call a widget such as label from sub 
> > > thread, but in Swt I can not do this.
> > >     why not, anyone can help me!
> > > Regards,
> > > -Tina
> > >
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> > > http://dev.eclipse.org/mailman/listinfo/platform-swt-dev
> >
> >
> >
> >
> >
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>
>
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