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WTTLogCheckResult

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The WTTLogCheckResult function checks a specified result and logs an error if the result shows a failure.

HRESULT WTTLogCheckResult ( 
  LONG  hDevice,   
  DWORD  dwResultToCheck, 
  DWORD  dwResultType,  
  LPWSTR  pwszFile,  
  ULONG  ulLine,      
  LPWSTR  pwszErrMsg     
);

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).

dwResultToCheck

[in] The result to check.

dwResultType

pwszFile

[in] The name of the source file where the assert happened.

ulLine

[in] The line number within the source file where the assert happened.

pwszErrMsg

[in] The text of the error message.

Return Value

returns one of the following values:

  • 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

Headers: Wttlogger.h

Library: WTTLog.dll

See Also

WTTLog Functions (C), WTTLogCheckResultEx

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Built on December 10, 2009