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Displaying data in an Icon

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Nigel Baker

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Aug 19, 1992, 4:20:34 PM8/19/92

I am trying to find out how to make the icon of a minimized
application display data.

For example the clock program that comes with Windows 3.1 shows
the current time in it's icon when it is minimized.
Does anybody out there know how this is done ?

I'm using TPW ver 1.5 with Whitewater Resource Toolkit.

Nigel Baker, AG Communication Systems, Phoenix, AZ
UUCP: ...!{ncar!noao!enuucp | att}!gtephx!bakern
INTERNET: gtephx!bak...@enuucp.eas.asu.edu

Dave Jones

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Aug 21, 1992, 3:13:00 PM8/21/92

In article <1992Aug19.2...@gtephx.UUCP> bak...@gtephx.UUCP (Nigel Baker) writes:
>I am trying to find out how to make the icon of a minimized
>application display data.
>
>For example the clock program that comes with Windows 3.1 shows
>the current time in it's icon when it is minimized.
>Does anybody out there know how this is done ?
>
>I'm using TPW ver 1.5 with Whitewater Resource Toolkit.
>

As somebody else suggested, follow Petzold's example. However, the
really crucial thing is this: when you register your Window's class,
don't give it an icon. That way you ensure that all repaint requests
will come to you via the WM_PAINT message. Then you can test your
window handle with IsIconic() to find out if you have to paint the
icon or the window. I use this for a Mac-style trashcan. I just
use DrawIcon with the plain icon (for empty can) or a bulging icon
(for a can with something in it). Easy.

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||Dave Jones (d...@ekcolor.ssd.kodak.com) | Eastman Kodak Co. Rochester, NY |

Jeroen W. Pluimers

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Aug 21, 1992, 5:30:52 PM8/21/92

In article <1992Aug19.2...@gtephx.UUCP> bak...@gtephx.UUCP (Nigel Baker) writes:

>I am trying to find out how to make the icon of a minimized
>application display data.
>

The trick is to have no ICON, but descent the PAint method and look
at IsIconic(HWindow) and then do the painting.

Look at the OWLDEMOS/GDIDEMO how they do it.

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jeroen_...@f256.n281.z2.fidonet.org The Netherlands

Chris Hooven

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Aug 26, 1992, 11:56:09 AM8/26/92

On Compuserve in the BORLAND forum theres a file called tpwmis.zip. Make
sure you get the one with the FRAMES unit that is the file that will let
you TextOut() to the icon.

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