Visual Studio 2010 shipped with a new help system - Help Viewer 1.0. Help Viewer 1.0 is built on common standards such as XHTML and .zip file format. Developers can leverage the ms-xhelp:// protocol documented in this SDK to implement their own Help experiences and Help viewers using the Help Viewer 1.0 runtime. The SDK is designed to enable developers to take advantage of Help Viewer 1.0 interfaces, according to the software giant.
In this video, Ryan Linton, senior program manager on Library Experience team, describes new Help system in Visual Studio 2010:
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