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Register todayLocalDBStopTracing Function
Applies to: 
SQL Server
Disables tracing of API calls for all the SQL Server Express LocalDB instances owned by the current Windows user.
Header file: msoledbsql.h
HRESULT LocalDBStopTracing();
S_OK
The function succeeded.
LOCALDB_ERROR_INTERNAL_ERROR
An unexpected error occurred. See the event log for details.
For a code sample that uses LocalDB API, see SQL Server Express LocalDB Reference.