[Qt-interest] How to repaint the screen directly

[Pritam Ghanghas]

I didnt understand your query. 
repaint() should repaint even when nothing has changed. 

On Fri, 2010-06-25 at 16:09 +0530, Song Shiyue wrote:
> hi all:
> 
>   How to repaint the screen when I want.
> 
>   I use the function "QWidget::repaint()".
>   But when there are nothing changed in the widget. 
> this function can't repaint the screen.
>   In my case, another program maybe write frame buffer directly.
>   So I must repaint the screen when i want.
>   How can i do that?
>   Thanks.