Manipulating single LCD pixels

Hi, I've looked around for a program that can manipulate single pixels on the screen directly. Like if you would type in some RGB values and the position of the pixel then that pixel would change. Why you might ask? Well besides programming, I play games alot. The games aren't perfect so someteimes the crosshair "disappears" against a bright surface in the game. I simply want to improve this by shutting off pixels in the center of the screen. Or perhaps make a completely new crosshair if it's possible.

I didn't find any program that does this, though if you know of such a program then tell me! Otherwise I will try to program one on my own. In that case I wonder if it's even possible to use an API since the pixels will have to be dead regardless of what other programs/games are using the screen. I suspect this would have to be done by communicating with the screen on a lower level, but I'll glad if I'm wrong! So can anyone point me in the right direction?

This would be consider hacking for the most part, changing data in game is not allowed. If its your game, this should be perty easly done just by going into the program it self and changing your crosshairs and w/e. However, how you have put it, would be against most game rules and consider hacking.

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Originally Posted by adr

This would be consider hacking for the most part, changing data in game is not allowed. If its your game, this should be perty easly done just by going into the program it self and changing your crosshairs and w/e. However, how you have put it, would be against most game rules and consider hacking.

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The thing is that the game (counter-strike: source) is, in my opinion, poorly designed. I could get a crosshair visible through the game settings but then I would have to enlarge it to the point that I lose accuracy. And the way I see it, the thing im trying to do is equivalent of putting a small sticker on the screen. Except this way I wouldn't need to worry about glue residues on my monitor.

Anyway, I didn't make this thread to discuss whether a solution to the problem would be against any game rules. I just want a solution to the problem.

Sorry to be rude, but I wont help with answering the qustion and I dont think anyone else will too, but I'll give you a hint ^^: learn some C++ and then look up something with doing
the virtual mouse, or my name on the serach. Its only a hint, and sorry again not to be rude. Not sure how to turn off pixles them selfs or change their color.