What is your question? What are you trying to do? What are you finding difficult? We cannot help you if you do not provide enough details. Understand this!

ok.sorry.
but i just need help.

I understand you need help, but, if you don't explain what it is you're trying to do then we cannot help you. Sit down, think about the question you want to ask and then post it and someone will be sure to help you :)

In windows API you can use GetPixel(...) function.

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