[DotNet-OSGeo] screen capture help

[Ramsay Rivero]

im working in a IT support application like a dameware or vnc !  im
using the dfmirage driver as video hook but i dont know how to get the
screen image when the user lock or log off the computer ! when i try
to get the image i get a black bitmap !

thx



On Wed, Nov 3, 2010 at 10:07 AM, Michael P. Gerlek <mpg at lizardtech.com> wrote:
> This is more of a question for stackoverflow.com than  an open source, geo, .NET mailing list...
>
> But I'm a sucker for a good puzzle.  For a logged off user, you certainly couldn't unless the process was running as a service.  There might be some old win32 API that could get the system's default backdrop.  Beyond that, my (weak) understanding of the Windows OS tells me you're in the realm of the distinctly nontrivial.
>
> (Of course, you could always use a VM or remote desktop setup, and have the parent/host do a capture of the guest OS window...)
>
> Can you explain what the problem is that you're actually trying to solve?
>
> -mpg
>
>
> -----Original Message-----
> From: dotnet-bounces at lists.osgeo.org [mailto:dotnet-bounces at lists.osgeo.org] On Behalf Of Ramsay Rivero
> Sent: Wednesday, November 03, 2010 6:22 AM
> To: dotnet at lists.osgeo.org
> Subject: [DotNet-OSGeo] screen capture help
>
> hello
>
> i need capture the screen when the computer is in lock mode or log off mode
>
> thx
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