Just adding Additional information:
These messages are not coming from any code that I have written in the sense 
that I am actually directly calling the flush on the QWindowsBackingstore. It 
must be coming from a component(s) that I am using which are all standard Qt 
objects. I use QWebView, QMovie, QImage, QMediaPlayer. In my original post, I 
put that it was basically displaying images and perhaps I should have been more 
verbose. I also display html and small video snippets. I was mainly just 
curious if other folks had seen this and what their cause had been.

-----Original Message-----
From: interest-bounces+jason=gocodigo....@qt-project.org 
[mailto:interest-bounces+jason=gocodigo....@qt-project.org] On Behalf Of Jason 
Kretzer
Sent: Tuesday, September 17, 2013 10:24 AM
To: interest@qt-project.org
Subject: [Interest] QWindowsBackingStore::flush: GetDC failed()

Good Morning,

Had an app that I am working on suddenly stop after a couple of days on 
continuous use - basically just rotating a series of images on the screen.  The 
log filled with these entries.  They were intermittent at first but then 
eventually took over the log with these, over and over again.

CRITICAL: QWindowsBackingStore::flush: GetDC failed ()
CRITICAL: QWindowsBackingStore::flush: GetDC failed ()
CRITICAL: QWindowsBackingStore::flush: GetDC failed ()
CRITICAL: QWindowsBackingStore::flush: GetDC failed ()
CRITICAL: QWindowsBackingStore::flush: GetDC failed ()

Any ideas on how to keep this from happening or even what these mean?  I 
googled this and I get a lot of BitBlt failed information, but none like these.

Thanks!

-Jason

- - - - - - - - - - - - - - - - - - - - - - - Jason R. Kretzer

Application Developer
Google # 606-887-9011
Cell # 606-792-0079
ja...@gocodigo.com 

"quidquid latine dictum sit altum videtur"




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