IAsyncReader::Length

Retrieves the stream's total length, and the currently available length.

HRESULT Length(
LONGLONG* pTotal,
LONGLONG* pAvailable );

Parameters

  • pTotal
    Total allocated length.
  • pAvailable
    Available length.

Return Values

Returns S_OK if successful, E_UNEXPECTED if the file has not been opened.

Remarks

Read operations beyond the available length but within the total length will normally succeed, but they might block for a long period of time.

 Last updated on Tuesday, July 13, 2004

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