Gets the time of the initial navigation action for the document that is loaded by the window object.
HRESULT IHTMLPerformanceTiming::get_navigationStart(ULONGLONG *p);
- An ULONGLONG value that represents the time of the initial navigation action or
0if the document could not be loaded.
Returns S_OK if successful, or an error value otherwise.
The value reported by the IHTMLPerformanceTiming::navigationStart property represents the number of milliseconds between the recorded time and midnight January 1, 1970 (UTC).