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WTTLogEnableTraceLevels function

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The WTTLogEnableTraceLevels function enables the specified set of device trace levels.

Syntax

HRESULT WTTLogEnableTraceLevels(
  LPWSTR pwszTraceLevels,
  LONG hDevice
);

Parameters

  • pwszTraceLevels
    [in] A string that contains a list of trace levels to be enabled.

  • hDevice
    [in] A handle to the device tracing topology. You can combine multiple handles by using the bitwise OR operator (for example, hDevice1 OR hDevice2).

Return value

WTTLogEnableTraceLevels returns one of the following values:

Return code Description
S_OK

The operation was successful.
S_FALSE

The operation was successful but the last device has been detached, which has triggered a rollup.
HRESULT

The operation failed. You should use the FAILED macro to check HRESULT values.

 

Requirements

Header

 Wttlogger.h

Library

 WTTLog.dll

See also

WTTLog Functions (C)

WTTLogDisableTraceLevels

 

 

Build date: 9/14/2012