[news.eclipse.platform.swt] Re: Canvas vs Composite Question

[Arpit Desai <arpitdesai23@xxxxxxxxx>]

Hey Tom,

Could you please elaborate here on the benefits of extending a canvas 
and potential risks that canvas might have to manage native calls ?

If we create a new widget which extends from Canvas can we add an 
existing widget to it? like a Table, Buttons, hyperlink, etc.

Thanks,

Arpit

Tom Schindl wrote:
> Yes. Canvas is prepared to draw with a GC on it but both can have child 
> widgets.
>
> Tom
>
> Jyoti schrieb:
> > Hi,
> >
> > We are trying to evaluate using Canvas vs Composite for the Grid Widget.
> >
> > Have couple questions...
> >
> > How does Canvas and Composite handle OS specific calls?
> >
> > Can both be used i.e. put all controls in Composite and then add it to 
> > Canvas?
> >
> > Thanks