Share via

CWTTLogger::CheckResult

  • Article

The CheckResult method checks a specified result and logs an error if the result shows a failure.

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

Parameters

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.

hDevice

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

Return Value

CheckResult 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

CWTTLogger Class (C++), CWTTLogger::CheckResultEx

Send feedback on this topic
Built on December 10, 2009