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CWTTLogger::TraceMachineInfo method

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The TraceMachineInfo method logs a trace of the operating system where the test is run.

Syntax

HRESULT TraceMachineInfo(
  LONG hDevice,
  LPWSTR pwszUserDefinedData
);

Parameters

  • 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).

  • pwszUserDefinedData
    [in] User-defined data. This parameter is ignored in the current version of DTM Logger.

Return value

TraceMachineInfo 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.

 

Remarks

The following code example demonstrates how to use the TraceMachineInfo method.

//
//  Collect machine information
//

Log.TraceMachineInfo (
hDevice,
NULL
);

Requirements

Header

 Wttlogger.h

Library

 Library:WTTLog.dll

See also

CWTTLogger Class (C++)

CWTTLogger::Trace

 

 

Build date: 9/14/2012