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WTTLogCreateLogDevice function

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The WTTLogCreateLogDevice function creates a log device topology according to the device string.

Syntax

HRESULT WTTLogCreateLogDevice(
  LPWSTR pwszDevStr,
  LONG* phDevice
);

Parameters

  • pwszDevStr
    [in] A log device string, which has the following syntax:

    $<device_type>:<parameter_list>($<child_device1>[; $<child_device2>; ...])

    For more information about constructing a device string, see Device string.

  • phDevice
    [out] A pointer to a handle that represents the device tracing topology.

Return value

WTTLogCreateLogDevice 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)

WTTLogCloseLogDevice

 

 

Build date: 9/14/2012