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How to create video capture from scratch?

OpenCV has many various samples. First, there are programs in Tutorials, but they may be incompatible with the version used. Better to use a source code from the installation. I try to understand which is the best to start with video capture. I use laptop with Windows 8, installed opencv-2.4.13.2-vc14.exe, and want to capture from embedded camera. Going to create Win32 dialog-based project and show frames one-by-one. Found starter_video.cpp. More ideas? There is Tutorial Video Input with OpenCV and similarity measurement. Can I find a corresponding sample in my installation?