1. GDI ???
This is a multi-part message in MIME format.
------=_NextPart_000_0017_01C0C1E9.51306240
boundary="----=_NextPart_001_0018_01C0C1E9.51306240"
------=_NextPart_001_0018_01C0C1E9.51306240
charset="Windows-1252"
Glacier
Hi,=20
i'm writing a graphical alarm presentation program (fire )
i have to create about 1000 transparent ( i use 4200 as parameter) =
PushButtons for the detectors .
then I transblt a Dib above it, this way i get a clickable transparent =
image (since icons don't work ok on a bitmap background)
I have a problem :
I can't create 1000 buttons at once ,=20
Win32lib gives me an error (unable to SaveDC...)
GDI resource =3D 0% ?????
How can i avoid this , i need all of the buttons to work to detect what =
Dib was clicked.
Can i Free GDI resources, without destroying the PushButton ???
I tried getDC and ReleaseDC, but still it doesn't work) (Handle error)
Win2000/NT doesn't have a problem with this only Win95,98,Me
Renzo Beggia
Email : renzo.beggia at vsk.be
------=_NextPart_001_0018_01C0C1E9.51306240
Content-Type: text/html;
charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>Glacier</TITLE>
<META content=3D"text/html; charset=3Dwindows-1252" =
http-equiv=3DContent-Type><BASE=20
href=3D"file://C:\Program Files\Common Files\Microsoft =
Shared\Stationery\">
<STYLE>BODY {
COLOR: #006666; FONT-FAMILY: Arial, Helvetica; FONT-SIZE: 10pt; =
MARGIN-LEFT: 50px; MARGIN-TOP: 20px
}
</STYLE>
<META content=3D"MSHTML 5.00.3103.1000" name=3DGENERATOR></HEAD>
<BODY background=3Dcid:001601c0c1d8$8da48500$8c00000a@BEGGIA =
bgColor=3D#ffffff>
<DIV> </DIV>
<DIV>Hi, </DIV>
<DIV> </DIV>
<DIV>i'm writing a graphical alarm presentation program (fire )</DIV>
<DIV> </DIV>
<DIV>i have to create about 1000 transparent ( i use 4200 as parameter)=20
PushButtons for the detectors .</DIV>
<DIV>then I transblt a Dib above it, this way i get a clickable =
transparent=20
image (since icons don't work ok on a bitmap background)</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>I have a problem :</DIV>
<DIV> </DIV>
<DIV>I can't create 1000 buttons at once , </DIV>
<DIV> </DIV>
<DIV>Win32lib gives me an error (unable to SaveDC...)</DIV>
<DIV> </DIV>
<DIV>GDI resource =3D 0% ?????</DIV>
<DIV> </DIV>
<DIV>How can i avoid this , i need all of the buttons to work to detect =
what=20
Dib was clicked.</DIV>
<DIV> </DIV>
<DIV>Can i Free GDI resources, without destroying the PushButton =
???</DIV>
<DIV> </DIV>
<DIV>I tried getDC and ReleaseDC, but still it doesn't work) (Handle=20
error)</DIV>
<DIV> </DIV>
<DIV>Win2000/NT doesn't have a problem with this only Win95,98,Me</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>Renzo Beggia<BR>Email : <A=20
href=3D"mailto:renzo.beggia at vsk.be">renzo.beggia at vsk.be</A></DIV>
------=_NextPart_001_0018_01C0C1E9.51306240--
------=_NextPart_000_0017_01C0C1E9.51306240
Content-Type: image/jpeg;
name="Glacier Bkgrd.jpg"
Content-Transfer-Encoding: base64
2. Re: GDI ???
> Hi,
>
> i'm writing a graphical alarm presentation program (fire )
>
> i have to create about 1000 transparent ( i use 4200 as parameter) PushButtons
> for the detectors .
> then I transblt a Dib above it, this way i get a clickable transparent image
> (since icons don't work ok on a bitmap background)
>
>
> I have a problem :
>
> I can't create 1000 buttons at once ,
>
> Win32lib gives me an error (unable to SaveDC...)
>
> GDI resource = 0% ?????
>
> How can i avoid this , i need all of the buttons to work to detect what Dib
> was clicked.
>
> Can i Free GDI resources, without destroying the PushButton ???
>
> I tried getDC and ReleaseDC, but still it doesn't work) (Handle error)
>
> Win2000/NT doesn't have a problem with this only Win95,98,Me
>
>
> Renzo Beggia
> Email : renzo.beggia at vsk.be
I think I see what the problem is now, before I assumed you where
using getDC then not using matching releaseDC's.
Your creating invisible buttons to catch clicks, right? Probably what
you need to do is catch mouse events yourself: You should use the
onMouse and onClick events of the window it's self, then check the
mouse position against the position of every icon, find out which one
it's within, then perform the appropriate action.
Does that make any sense?
Thomas Parslow (PatRat) ICQ #:26359483
Rat Software
http://www.rat-software.com/
Please leave quoted text in place when replying
