> Short story:
> I have a fractal program and I just changed it to use bitmaps, now it wont
> draw anything on NT computers (works perfect on 98).  Instead it's blank,
> resizing gives weird errors like "can't find procedure" or "can't find
> handle" or several others.

> Long story:
> Maybe my friends are right and I should switch to C...
> My program worked under any OS in Delphi 3 as long as delphi was installed,
> but on any computer without delphi installed it gave me EOLESysErrors.  I
> think it was because of the THTML component I was using, but tech support
> literaly and truly told me this was a feature, not a bug.
> Now in Delphi 5 there is no THTML, so I rewrote my program.  I also stoped
> drawing on the canvas and started using a bitmap.  Now it wont run on an NT
> computer but works on any win98 computer with or without Delphi installed.
> Any ideas what I did wrong???

> Before you tell me to stop using bitmaps, here's another story:
>     First I drew the fractal to the form canvas.  This sucked for lots of
> reasons.
>     Then I drew it to a array which I then copied to the canvas.
> Sloooooooooow.
>     Then I put a TImage on the canvas and drew to that.  Great, except
> resizing the form caused crashes.
>     Now draw to a bitmap and every half second draw the bitmap to the form
> canvas.  Perfect on 98.

> Thanks in advance.

> Long story:
> Maybe my friends are right and I should switch to C...
> My program worked under any OS in Delphi 3 as long as delphi was
installed,
> but on any computer without delphi installed it gave me EOLESysErrors.  I
> think it was because of the THTML component I was using, but tech support
> literaly and truly told me this was a feature, not a bug.
> Now in Delphi 5 there is no THTML, so I rewrote my program.  I also stoped
> drawing on the canvas and started using a bitmap.  Now it wont run on an
NT
> computer but works on any win98 computer with or without Delphi installed.
> Any ideas what I did wrong???

> Before you tell me to stop using bitmaps, here's another story:
>     First I drew the fractal to the form canvas.  This sucked for lots of
> reasons.
>     Then I drew it to a array which I then copied to the canvas.
> Sloooooooooow.
>     Then I put a TImage on the canvas and drew to that.  Great, except
> resizing the form caused crashes.
>     Now draw to a bitmap and every half second draw the bitmap to the form
> canvas.  Perfect on 98.

> Thanks in advance.

> I use an NT system.

> Bitmaps should NOT be a problem on NT, it would first be a problem the other
> way around!

> Do you use a very big bitmap? Check out Earl's site for some information
> about huge bitmaps, if you suspect that's the problem.

> Another cause could perhaps be colordepth and using DDB bitmaps. Try
> changing color resolution of your system and see if that helps.

> Most probably, your problem does not even relate to the bitmap but more to
> some memory allocation error that is getting through the mazes of W95/98 but
> not through the mazes of NT.

> Regards, Nils

> Seth Kintigh <skint...@yahoo.com> wrote in message
> news:3c64aa6e$1_1@dnews...
> > Short story:
> > I have a fractal program and I just changed it to use bitmaps, now it wont
> > draw anything on NT computers (works perfect on 98).  Instead it's blank,
> > resizing gives weird errors like "can't find procedure" or "can't find
> > handle" or several others.

> > Long story:
> > Maybe my friends are right and I should switch to C...
> > My program worked under any OS in Delphi 3 as long as delphi was
>  installed,
> > but on any computer without delphi installed it gave me EOLESysErrors.  I
> > think it was because of the THTML component I was using, but tech support
> > literaly and truly told me this was a feature, not a bug.
> > Now in Delphi 5 there is no THTML, so I rewrote my program.  I also stoped
> > drawing on the canvas and started using a bitmap.  Now it wont run on an
>  NT
> > computer but works on any win98 computer with or without Delphi installed.
> > Any ideas what I did wrong???

> > Before you tell me to stop using bitmaps, here's another story:
> >     First I drew the fractal to the form canvas.  This sucked for lots of
> > reasons.
> >     Then I drew it to a array which I then copied to the canvas.
> > Sloooooooooow.
> >     Then I put a TImage on the canvas and drew to that.  Great, except
> > resizing the form caused crashes.
> >     Now draw to a bitmap and every half second draw the bitmap to the form
> > canvas.  Perfect on 98.

> > Thanks in advance.

> Long story:
> Maybe my friends are right and I should switch to C...
> My program worked under any OS in Delphi 3 as long as delphi was
installed,
> but on any computer without delphi installed it gave me EOLESysErrors.  I
> think it was because of the THTML component I was using, but tech support
> literaly and truly told me this was a feature, not a bug.
> Now in Delphi 5 there is no THTML, so I rewrote my program.  I also stoped
> drawing on the canvas and started using a bitmap.  Now it wont run on an
NT
> computer but works on any win98 computer with or without Delphi installed.
> Any ideas what I did wrong???

> Before you tell me to stop using bitmaps, here's another story:
>     First I drew the fractal to the form canvas.  This sucked for lots of
> reasons.
>     Then I drew it to a array which I then copied to the canvas.
> Sloooooooooow.
>     Then I put a TImage on the canvas and drew to that.  Great, except
> resizing the form caused crashes.
>     Now draw to a bitmap and every half second draw the bitmap to the form
> canvas.  Perfect on 98.

> Thanks in advance.

>Have you tried using a TPaintBox? Drawing a TBitmap in the OnPaint
>handler (and when changes are applied to the bitmap) was never a problem
>in my applications, no matter which version of Windows was used. TImage
>should also work well. If you have very big images, TBitmap might cause
>problems, but this is not a Delphi problem, but a general Windows
>problem (the maximum size depends on the Windows version and the
>graphics driver you use). Indeed there a some solutions for this, one of
>the best ones is Graphics32, which you can find at http://www.g32.org

>Jens