Microsoft Help 2
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|A component of Microsoft Windows|
|Included with||Visual Studio 2002|
|Replaces||Microsoft Compiled HTML Help|
|Replaced by||Microsoft Help Viewer|
Microsoft Help 2.x is the help engine used in Microsoft Visual Studio 2002/2003/2005/2008 and Office 2007 and Office 2010. Help files are made with the Help 2.0 Workshop (VSHIK), a help authoring tool. The default viewer for Help 2.x files is Microsoft Document Explorer, and there are several third-party viewers available such as H2Viewer and Help Explorer Viewer.
Visual Studio 2010 uses a new help engine, Microsoft Help Viewer.
- March 2001—Microsoft announced Microsoft Help 2.x at WritersUA (formerly WinWriters) conference.
- January 2003—Microsoft decided not to release Microsoft Help 2 as a general Help platform. Help 2 remained a Visual Studio Help integration tool.
- August 2003—Borland have released C# Builder. Documentation is all in Microsoft Help 2 format and displayed in Microsoft Document Explorer.
- December 2005—Microsoft continues support of Help 2 by releasing the Help Integration Wizard which is Visual Studio 2005 compatible.
- December 2006—Office 2007 is released and uses Microsoft Help 2. The Office help viewer is a custom viewer that can only view Office 2007 help.
- April 2009—Microsoft announced at 2009 WritersUA conference that Microsoft Help System 1.x (development name was MS Help 3) will ship with Visual Studio 2010.
A Microsoft Help 2.x file has a ".hxs" extension. A compressed .HxS help file (help title) is compiled from a set of topic pages written in a subset of HTML, a .HxC main project file, an .HxF include file, a .HxT table of contents, a .HxA attribute definition file, and a number of .HxK indexes (keyword Index, NamedURL index, optional associated and context links indexes).
This format was originally intended only for the help system used by Visual Studio .NET 2002 help, MSDN Library and TechNet, but now it is used in Office 2007 and some IDEs, such as Borland Developer Studio.
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