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MS VC++ changing the pixels of the image in a picturebox

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I think you would use the GetPixel and SetPixel functions.

GetPixel

SetPixel

You need the DeviceContext (DC) of the picturebox and the Hwnd (Used to get the DC) in order to Get and Set Pixel, and since it uses that method, I don't think it's permanent, so you'd need to place all changes into an array or something and redraw them everytime that PB recieves a WM_PAINT (I think, it's been a while) message.

Look at the links above for more information on the GetPixel and SetPixel API's.

Cheers! :)

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