I want to do a program that on notebook LCD show a controller of what we see on VGA output connector, it is possible to do that?

For instance, on LCD you can see a remote control (play, stop, volume) an on VGA you see the film without controls.

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What Operating System are you using? – Andrew Bolster Mar 16 '10 at 12:49
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This sounds like a superuser.com question to me.. – t0mm13b Mar 16 '10 at 12:54
I'm on the fence with this one. Almost superuser, but then again, he did say "I wan to do a program..." – Jonathan Sampson Mar 16 '10 at 12:57
I think I'll be using c# on windows platform – Santiago Mar 16 '10 at 13:21
As written, it's more of a superuser question, but the implied question is how to write such a program, which belongs here. We need to know the OS to answer the how. – Hugh Brackett Mar 16 '10 at 13:24
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migrated from stackoverflow.com Mar 17 '10 at 2:44

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2 Answers

Generally (in windows) go into your display properties and if you have a monitor plugges into the VGA port, you should be able to see two screens.

In modern OS's, when you plug in an external VGA device, it should prompt you for what to do with it.

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Ok, so, I think I have to make 2 windows forms, one positioned on (x,y) (0,0) and the other positioned on (1024,0) on 1024x768 screen resolution and setting up an extended windows for 2 monitors. Thank you all. – Santiago Mar 16 '10 at 13:26
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Setup multiple monitors via Windows (or whatever OS you're using); the { video card / video card driver / OS } may not support it though. I don't think there's a standard 'programming' answer though, i.e. I'm sure you could program the (suitably capable) video card directly, but that's probably silly.

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