TitleIndex and registry class (object type) strings

I am trying to figure out a couple of things about the
registry.

  1. What is the class string? This can be accessed in
    some of the newer (*Ex) win32 registry APIs and is in
    several of the KeyInformationClass structures
    including KEY_FULL_INFORMATION. Everything I’ve been
    able to find indicates that this is not implemented on
    win9x and “don’t worry about it” on NT platforms.
    What is it?

  2. In several of the KeyInformationClass and
    KeyValueInformationClass structures there is a “ULONG
    TitleIndex” What is this?

Any information or pointers to information is greatly
appreciated.

Thanks,

Randy Cook
Lucid Systems Inc.


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