Gets a value that represents the time that the previously loaded document began to be removed from the window object so that the current document could be loaded.
HRESULT IHTMLPerformanceTiming::get_unloadEventStart(ULONGLONG *p);
- An ULONGLONG value that represents the time when the previous document began to be unloaded from the window object or
0if the document could not be loaded.
Returns S_OK if successful, or an error value otherwise.
The value reported by the IHTMLPerformanceTiming::unloadEventStart property represents the number of milliseconds between the recorded time and midnight January 1, 1970 (UTC).
Internet Explorer 9. This property is supported only for documents displayed in IE9 Standards mode. For more information, please see Defining Document Compatibility.