IAsyncReader::Length

  • Article

This method 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.

Requirements

DirectShow applications and DirectShow filters have different include file and link library requirements. See Setting Up the Build Environment for more information.

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
Header:

Last updated on Wednesday, April 13, 2005

© 2005 Microsoft Corporation. All rights reserved.