[This documentation is preliminary and is subject to change.]
Gets the number of bytes that have been received so far in the transfer operation.
HRESULT IDOMProgressEvent::get_loaded(ULONGLONG *p);
Pointer to a variable of type ULONGLONG that receives the number of bytes that have been received so far.
Returns S_OK if successful, or an error value otherwise.
The loaded property contains the number of bytes that have been transferred so far. Use the total property to determine how many bytes to expect during the operation.