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Workaround found (was: Re: Eclipse RCP application: USB print hang)

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From v_borchert@despammed.com (Volker Borchert)
Newsgroups comp.lang.java.programmer
Subject Workaround found (was: Re: Eclipse RCP application: USB print hang)
Date 7 Aug 2015 22:30:18 GMT
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In comp.lang.java.programmer, Volker Borchert wrote:
> 
> Using SWT 3.7.x, PaperClips, JRE 1.8.x, Windows 7 in VirtualBox on Linux,
> HP USP laser printer.
> 
> Power on printer, wait until in powersave.
> Start virtual Windows.
> Start RCP application.
> Try to let the application print something.
> Printing hangs in native StartDocW GDI API function.
> Printing works after opening the printer setup/properties dialog,
>          even if cancelled immediately.
> Printing from e.g. WordPad instead, works.

Colleague accidentally hit the "Properties" button in the printer
selection dialog, and even though he cancelled that immediately,
printing then worked.

So I added half a line of code that eventually calls GetDeviceCaps,
and this seems sufficient to kick the printer sufficiently awake.

I don't think this is a solution, but as a workaround, it'll do.

-- 

"I'm a doctor, not a mechanic." Dr Leonard McCoy <mccoy@ncc1701.starfleet.fed>
"I'm a mechanic, not a doctor." Volker Borchert  <v_borchert@despammed.com>

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Thread

Eclipse RCP application: USB print hang v_borchert@despammed.com (Volker Borchert) - 2015-08-06 20:19 +0000
  Re: Eclipse RCP application: USB print hang Martin Gregorie <martin@address-in-sig.invalid> - 2015-08-06 21:35 +0000
    Re: Eclipse RCP application: USB print hang v_borchert@despammed.com (Volker Borchert) - 2015-08-07 04:10 +0000
      Re: Eclipse RCP application: USB print hang Martin Gregorie <martin@address-in-sig.invalid> - 2015-08-07 10:00 +0000
      Re: Eclipse RCP application: USB print hang Jeff Higgins <jeff@invalid.invalid> - 2015-08-07 09:01 -0400
  Workaround found (was: Re: Eclipse RCP application: USB print hang) v_borchert@despammed.com (Volker Borchert) - 2015-08-07 22:30 +0000
    Re: Workaround found (was: Re: Eclipse RCP application: USB print hang) Andreas Leitgeb <avl@auth.logic.tuwien.ac.at> - 2015-08-08 14:05 +0000

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