On Sat, 01 Oct 2005 01:09:34 +0200
Micha__ Wojtaszek [EMAIL PROTECTED] wrote:
Hello
I have strange problem (as always :))
When I place visible element on form it not show up in form editor.
What type of control?
I
can select it by clik on place when is should by, i can change its
Andrew Haines wrote:
I used fmod a while back and it has the ability to output VU levels. I
just put the paint methods in a timer event and used a TPanel to draw
on. I'm not sure if this would work for you.
What is VU?
I am using a Analigic-to-Digital conversor witch can handle up to 200
Felipe Monteiro de Carvalho wrote:
and put a: PaintBox.Repaint; on a separate timer that is slower.
This method is really terrible. There is an awful lot of flickering ...
Does anyone know a better method to redraw the content of the canvas?
Mattias Gaertner wrote:
To avoid flickering:
Create a descendent of TCustomControl, call Invalidate and
Application.ProcessMessages, in Paint draw to a bitmap and draw the bitmap
to the canvas.
Thanks, I'll try that.
Because a paint will take longer than a 500kHz intervall, you either call
The timer problem is non-graphics related. I would like to receive data
from the ISA card at 500khz (or I will lose data). But thank you all for
your help so far. I will research if there is a way to create a very
efficient timer. If not, I'll just use another thread.
Felipe, you may also
Darius Blaszijk wrote:
Hi,
I have added a note to bug 1233, but I did not receive an email
notification from this bug. I suppose I need to do that manually
somewhere. Could anyone please advise.
http://www.lazarus.freepascal.org/mantis/account_prefs_page.php
N.B. You don't get notifications
A new option dgColumnMove was implemented for dbgrid, basically it
does the same as goColMoving: it allows the user to enable or disable
the moving (using the mouse) of columns.
I have implemented dbgrid option dgColumnMove instead of an extra
option because it's basically what dgColumnResize is:
Mattias Gaertner wrote:
To avoid flickering:
Create a descendent of TCustomControl, call Invalidate and
Application.ProcessMessages, in Paint draw to a bitmap and draw the bitmap
to the canvas.
I tryed to create a TCustomControl descendent, but I can't seam to see
it on the screen no matter
A.J. Venter wrote:
Felipe, you may also want to look at gamepack, which provides a
double-buffered drawing component as well as sprite support. Mail me off-list
if you want the details.
Sounds very interesting. TDoubleBuffer seams very similar to what I am
trying to do. I must be doing a
Felipe Monteiro de Carvalho wrote:
I tryed to create a TCustomControl descendent, but I can't seam to see
it on the screen no matter what I do ...
Can anyone help me (again)?
Here is how I create it:
procedure TfrmPrincipal.FormCreate(Sender: TObject);
begin
Tela := TTela.Create(Self);
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