--- El mar 4-nov-08, Graeme Geldenhuys <[EMAIL PROTECTED]> escribió:
> De:: Graeme Geldenhuys <[EMAIL PROTECTED]>
> Asunto: Re: [Lazarus] Grid question
> A: "General mailing list" <[email protected]>
> Fecha: martes, 4 noviembre, 2008, 10:48 am
> On 11/4/08, Jesus Reyes <[EMAIL PROTECTED]> wrote:
> > >
> > > How can I force the grid to invalidate (or draw
> if visible)
> > > a single cell ?
> > >
> >
> >
> > grid.InvalidateCell(ColIndx,RowIndex);
> >
> > Jesus Reyes A.
>
> Just curious....but why would you need that? Isn't the
> grid painting
> double buffered?
>
>
> Regards,
> - Graeme -
>
>
grid does (or knows?) nothing about doublebuffer, that is handled in some other
layer, but even then, it's needed in cases like the spreadsheet example when
column and row header needs to be repainted because selection has changed, the
grid can handle the selection change but not the headers change. It's
supposedly more efficient to blit a portion of area than the whole area.
Jesus Reyes A.
¡Todo sobre Amor y Sexo!
La guía completa para tu vida en Mujer de Hoy.
http://mx.mujer.yahoo.com/
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