Dirk Eddelbuettel <edd@...> writes:
> This all works fine, and the new image gets generated.  But I am having a hard
> to get Wt to refresh the image, and to send a new one to the browser.  How can
> I force this? I tried
> 
>   img_->setImageRef(m_tempfile);
>   img_->setMargin(5, Top | Bottom);
>   img_->refresh();
>   img_->show();
> 
> but no luck.  Now, m_tempfile is currently a 'fixed' file. Should I make it a 
> new tempfile for each invocation?

Turns out that that solves the issue, somewhat---I get fresh and updated 
displays.  

Is there a way to simulate the effect of a new file, without requiring an 
actual new file?  Splattering the temp directories with tempfiles is a 
little inelegant, but maybe the only may to do this.

Dirk




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