Best book for darkorbit tools

Heyyyy. I programing in c#. I want to buy/download some nice book where I can learn make darkorbit tools. eg. ( login on acc and buy eco etc.)

What will I learn?? (TCP or webrequest or or or or or.) ???

Thanks for reply on my bad question. ^^

Please ask here:
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or better here:
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And you won't make any good program, if you just have a destination.
Learn it and then you are able to do it.

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#moved