> I try to add
> doublebuffered:=true;
> under oncreate, but Delphi (3) doesn't seem to want to understand it (i
have
> 'graphics' under uses clause so i don't think i need to add anything else
up
> there, if i do, please let me know). I also tried
> Form1.doublebuffered:=true, Image1.doublebuffered:=true, but again, Delphi
> flagged them as errors and had no idea what this doublebuffered stuff was
> all about.
> (I tried the GM32 component set, but it only supports from Delphi 4
onward,
> and there's gotta be a way to sort this out in 3)
> Many thanks,
> -Peter
> "Nils" <n.ha...@quicknet.nl> wrote in message news:3c7c9f42$1_1@dnews...
> > Hi Peter,
> > Try to set
> > DoubleBuffered := True;
> > in the form's OnCreate event.
> > If that does not help or is too slow, then try to add this:
> > // in the object interface
> > procedure WMEraseBkgnd(var m: TWMEraseBkgnd); message WM_ERASEBKGND;
> > // in the implementation:
> > procedure TForm1.WMEraseBkgnd(var m: TWMEraseBkgnd);
> > begin
> > // No automatic erase of background
> > m.Result := LRESULT(False);
> > end;
> > This will avoid the background to be redrawn.
> > Regards,
> > Nils Haeck
> > www.abc-view.com
> > Peter Laurens <pe...@the{*word*192}edge.net> wrote in message
> > news:3c7c20d2$1_2@dnews...
> > > Hi,
> > > I know that double buffering and flickering images is probably the
most
> > > commonly asked question about Delphi graphics, but I'm not sure if
> answers
> > > supplied before will apply to my case...
> > > I am creating a GUI for my app, I want it to be very touchy feely -
very
> > > interative and tangible. Due to this, I have TImages (which i am using
> as
> > > buttons) scrolling in and out of view on my form at variou times, with
a
> > > timer to control them, for example, if i want an image to scroll in
from
> > off
> > > the top of the form i've got this happeniing on timer1...
> > > if image1.top<30 then image1.top := image1.top+1;
> > > Simple, but it flickers. Most of the images i want to move around
aren't
> > > moving over another image - just over the form background. I also have
> > > TImages that update their positions on the 'OnResize' event of the
form,
> > so
> > > they stay flush to the right for example, these also flicker when
> resizing
> > > the form.
> > > How can I use double buffering to stop all this flickering? One thing
I
> > > should note is that my Delphi graphics knowledge is *non-existant* so
> > > *please* bear this in mind if you are kind enough to help.
> > > Many thanks in advance for whatever help you can offer.
> > > -Peter
