printing problem

From: Peter J. Dobrovka (dobrovka_at_3dtt.de)
Date: 11/28/04 

Date: Sun, 28 Nov 2004 22:09:55 +0100

Hi there!

A new attempt to solve an old problem which doesn't seem to exist
anywhere else
on the world - just like all problems I have.

Given is a local network with a printer. Maybe a network printer,
maybe a
computer that has a printer accessible for the other peers - it does
not matter.

The application I have written prints documents. They have images and
text as
well, but the content is of no importance.

The phenomenon is this: On 50% of all computers the printing does not
start
until the program is terminated. You can see the print job in the
spooler, but
the moment when it disappears and the printer is beginning to work
never comes.

The application is written in Delphi 5. Maybe this is of any
importance, I did
not test.

It is obviously of NO meaning what hardware is used and what version
of Windows
is installed. The problem is sticking to certain computers but the
reason seems
to be completely random.

Other applications like Word etc. do not show this problem. So the
problem ist
somewhere in the program. But this program does nothing special. And
no, I did
NOT forget EndDoc at the end of the printing code!

It seems to be that there is some command sent when the application is
terminated which forces the print job to complete, and some systems
need this
command. But what command could it be?

So my question: Did anybody ever encounter this strange problem? I
need help
very badly. I would be already glad if someone could tell me another
person or
website where to find a solution.

Peter

PS: sorry for excessive crossposting but I am becoming somewhat
desperate ...

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