Simple PrintScreen Problem

We want to be able to printScreen a window inside

a timer control several times a second, we have a [url removed, login to view]

project ,which we have attached, which does this

using PrintWindow() function in windows API. We need

to use this API function since it allows us to

printscreen a window EVEN when it is covered

by another window and it is fast enough.

However there is a problem, when we take many

printscreens the window that is being captured, it

stops being painted or displayed propperly, and

regions inside that window are not refreshed.

We have attached a small [url removed, login to view] 2005 project

which allows you to reproduce the problem by

simply selecting a window which is often refreshed

(like a webbrowser window, or a small game)

and start capturing. You will after some time

see that the window stops being painted.

We request a [url removed, login to view] solution to this problem,

or alternativley [url removed, login to view] code

which is fast and able to printscreen a window by

its handle EVEN when it is covered completley (not


## Deliverables

1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done.

2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables):

a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment.

b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request.

3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement).

## Platform

Windows XP,200x,Vista

Habilidades: .NET, ASP, Programação C, Delphi, Engenharia, Microsoft, MySQL, PHP, Arquitetura de software, Teste de Software, Visual Basic, Área de trabalho do Windows

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( 5 comentários ) Norway

ID do Projeto: #3065613

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