Re: Windows 98 rendering problem using CDHtmlDialog

From: Jim Howard (jnhtx_at_spamcop.net)
Date: 05/17/04 

Date: Mon, 17 May 2004 15:23:07 -0500

"Johan Rosengren" <johan.rosengren@telia.com> wrote in message
news:%23oymiGxOEHA.1644@TK2MSFTNGP09.phx.gbl...
> Jim,
>
> The world has enough nuts as it is, so it would be nice to be able to help
> you. On the other hand, invalidating a window is just a single call to
> RedrawWindow, so I can't believe that this is your question, you are
rather
> asking when to redraw, I assume? Handlers such as OnDocumentComplete
and/or
> OnNavigateComplete would seem to be good starting points.
>
>

If I just invalidate the CDHtmlDialog object, nothing happens:

CDHtmlDialog *m_pMyDlg;
// I put this next line at the end of my OnDocumentComplete handler, some
images are just black "shadows"
m_pMyDlg->Invalidate(); // shadow images not redrawn

I've also tried variations of:
HWND h = m_pMyDlg->m_pControlSite->m_hWnd;
 ::InvalidateRect(h, NULL, 1);
BOOL b = ::PostMessage(h,WM_PAINT,0,0); //nothing :(

 A good solution would be a way to invalidate an image element in
OnDocumentComplete but that doesn't seem possible.

If I reload the images with the IWebBroswer2 pointer via a DHTML call such
as SetInnerHtml then the problem occurs less frequently, but I still see
it.

The only sure fire fix so far is to fire a timer a second after
OnDocumentComplete and then load similar but different images on to the
page. This is super ugly.

Thanks for answering, I truly appreciate it.

Jim

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