Get a picture from a word under cursor for OCR processing

Hi Fox I want to detect the word under cursor with get image from it(l开发者_如何学Cike babylon). But i don't know how can i get the area of screen for grab word that under cursor.

Thanks for your help

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This is done via Microsoft Active Accessibility (MSAA). You don't do it yourself in your program.

Since it's COM-based, you can do it from both C++ and C#.

(Assuming Windows since it's tagged C#)