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OS_TABLETPC

When the IsOS function is given OS_TABLETPC as its dwOS argument, its answer is obtained by different methods in different SHLWAPI versions.

In the SHLWAPI version 6.00 from Windows Vista, the function returns TRUE if

In earlier builds, the function simply evaluates the system metric SM_TABLETPC.

Availability

The OS_TABLETPC case of the SHLWAPI function IsOS is supported in post-settlement 6.00 builds and higher. The Windows Vista SDK dated 2007 documents only the earlier implementation.