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let another program display something on the screen.

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For a DirectX7 application I want to write a tool providing additional information and displaying them on the screen while the application runs its D3D output in fullscreen. It''s easy to get the DC from the foreground window and paint on it but results in bad flickering. So I searched the web and found some information about hooking, wrapper dll, ...(sounds very difficult and time consuming) ... and one hint to use directx overlays (but only a hint, not how to do). Well, taking the SDK samples and adapt would be straight forward, but in this case it''s not the app itself managing the output but a second application running at the same time. Unfortunately I have not much expierience in graphical programming so I don''t know where to start. I wonder there is only poor information on the web, I''d expected this problem is a little bit more common. thanks a lot Soeren

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