msWriteProfilerMark method

Writes a profiling event.

Internet Explorer 8





  • bstrProfilerMarkName [in]
    Type: String

    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 window object, current markup, and the event name passed as bstrProfilerMarkName.

The bstrProfilerMarkName property has a 32-character limit when called from script.

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

See also



Windows Events