CWTTLogger::CheckResult method
The CheckResult method checks a specified result and logs an error if the result shows a failure.
Syntax
HRESULT CheckResult(
DWORD dwResultToCheck,
DWORD dwResultType,
LPWSTR pwszFile,
ULONG ulLine,
LPWSTR pwszErrMsg,
LONG hDevice
);
Parameters
dwResultToCheck
[in] The result to check.dwResultType
[in] The type of the result. This parameter can be one of the following values: WTT_ERROR_TYPE_HRESULTWTT_ERROR_TYPE_NTSTATUSWTT_ERROR_TYPE_WIN32WTT_ERROR_TYPE_BOOLpwszFile
[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:
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 |
Library:WTTLog.dll |
See also
Build date: 9/14/2012