getting window screenshot windows API

Question

I am trying to make a program to work on top of an existing GUI to annotate it and provide extra calculations and statistical information. I want to do this using image reco

Answer 1

I think CImage class will be helpful.

void CreateImage(HWND hwnd)
{
    CImage img;
    img.m_hDC = ::GetWindowDC(hwnd);
    img.Save(strFileName);
}