Adding a Dropper tool

What exactly would I have to do, to create an eye dropper tool in my windows forms application?

Im going to start to hack maplestory and I want the eye dropper tool to select the color of the monster and then click it. Basically the same thing that Runescape trainers do to mine ores...

GetPixel() returns the color of a specified pixel.

What I personally do is make a function to check for a hotkey and if the hotkey is pressed you should use a COLORREF variable to store the return value of GetPixel. For coordinate parameters of GetPixel you should call GetCursorPos and store the coordinates in a POINT structure that is global preferably so that you can use it in other functions. Once you call GetPixel you should you store the r g b values in a COLORREF or int. Then you do what you want with it. This is what I do.
Good luck and keep us posted on your progress.

Install a keyboard hook using SetWindowsHookEx so you can trap the next mouseclick to prevent it from happening

Originally Posted by Hell_Demon

Install a keyboard hook using SetWindowsHookEx so you can trap the next mouseclick to prevent it from happening

Or you just SetCapture.

Originally Posted by mmbob

Or you just SetCapture.

"even if the foreground window has captured the mouse, the user can still click another window, bringing it to the foreground. "

Pretty sure we wouldn't want that <:

Adding a Dropper tool

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