Adam,

I believe it is, as this example web page (and a couple of others) crashed
my program with floating point exceptions, until I set this flag. I should
actually set this flag on and off in the BeforeNavigate/Download Complete
events instead of in the initialization code.

Delphi 5 help for Set8087cw says:

"The floating point unit control word controls the precision of floating
point calculations, the rounding mode, and whether certain floating point
operations trigger exceptions. See Intel's processor documentation for
details.

This routine allows the programmer to have direct access to the CW. Be aware
that using this routine to change the value of the 8087CW will change the
behavior of the program’s FP calculations. It is the programmer’s
responsibility to reset it.

It is recommended that you disable all floating point exceptions when using
OpenGL to render 3D graphics. To do this, call Set8087CW(0x133f) in your
main form’s OnCreate event before calling any OpenGL functions."

Regards, Ian

-----Original Message-----
From: adam@... [mailto:adam@...]
Sent: Tuesday, July 11, 2000 9:57 AM
To: delphi-webbrowser@egroups.com
Subject: RE: [delphi-webbrowser] Problem with EmbeddedWB ???


Hi Ian,

I thought that wasn't necessary in Delphi 5.

Adam

> -----Original Message-----
> From: Ian Bakker [mailto:ian@...]
> Sent: Tuesday, July 11, 2000 9:15 AM
> To: delphi-webbrowser@egroups.com
> Subject: RE: [delphi-webbrowser] Problem with EmbeddedWB ???
>
>
> Add the code:
>
> initialization
> Set8087cw($133f);
>
> to your main form.
>
> Regards, Ian
>
> -----Original Message-----
> From: Marc Budie [mailto:marc.budie@...]
> Sent: Tuesday, July 11, 2000 2:10 AM
> To: delphi-webbrowser@egroups.com
> Subject: [delphi-webbrowser] Problem with EmbeddedWB ???
>
>
> Hello,
>
>
> I have developed a new "browser" using EmbeddedWB. The product is
> about to be rolled out but I have still one big problem left.
> I have been able to track this problem down to a very basic program:
>
> I use EmbeddedWB to develop a basic browser. The only feature I
> implement is a button to be able to change the fontsize. Then to
> reproduce the error I do the following:
>
> 1) Press the font button a few times
> 2) Navigate to:
> http://www.posl.com/Templates/HomePage.asp?Article=6&View=2&Menu=0
> 3) Select one of the topics in the drop down menu
>
> Now the browser will crash with the following error:
>
> Exception EinvalidOp in module MSHTML.DLL.
>
>
> This error does not occur if I do the same from a by Visual Basic
> hosted browser or Internet Explorer itself.
>
> Does somebody know how to solve this?
>
> I am using:
> ===========
> - EmbeddedWB 1.12
> - Delphi 5 Enterprise
> - Window98 and Windows NT
> - IE 5.0
>
>
> Thanks in advance,
>
>
> Best regards,
>
> Marc Budie
>
>
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