IWDTFSystemAction2::PowerTracingStartByFile method (wdtfsystemaction.h)
Starts a trace session for power state transitions and saves the trace message file (.etl) using the specified path. This method is available starting with Windows 8.
Syntax
HRESULT PowerTracingStartByFile(
[in] BSTR EventFilePath
);
Parameters
[in] EventFilePath
Specifies the location to store the trace message (.etl) log file.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP Professional |
| Minimum supported server | Windows Server 2008 |
| Target Platform | Desktop |
| Header | wdtfsystemaction.h |