Help Context ID
With Dr.Explain you can assign the numerical Help Context ID values and text aliases to every help topic and later on use them for implementing context sensitive help file for your software application.
Then, you can create a map file1 to include it in your software source code. Dr.Explain can generate Help Context ID map files in four common formats:
.h (C++ header file),
.vb (Visual Basic map file),
.cs (C# source code file),
.inc (Object Pascal & Delphi file).