msWriteProfilerMark method

Writes a profiling event.

Internet Explorer 8



HRESULT retVal = object.msWriteProfilerMark(bstrProfilerMarkName);


bstrProfilerMarkName [in]

Type: BSTR

An event name. This parameter may be NULL.

Return value


If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Standards information

There are no standards that apply here.


Internet Explorer 10. This method is also available in the Web Worker global scope.

For Windows XP, this method sends an event to an event tracing session with TraceEvent; for systems after Windows XP, this method writes an event with EventWrite.

The event includes a pointer to a IHTMLWindow6 interface, current markup, and the event name passed as bstrProfilerMarkName.

This method is useful to profile real website performance by using the operating system metrics as a baseline.

See also

Windows Events