IAsyncReader::Length
A version of this page is also available for
4/8/2010
This method retrieves the stream's total length, and the currently available length.
Syntax
HRESULT Length(
LONGLONG* pTotal,
LONGLONG* pAvailable
);
Parameters
- pTotal
Total allocated length.
- pAvailable
Available length.
Return Value
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
| Windows Embedded CE | Windows CE 2.12 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |
| Note | Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements For more information, see Setting Up the Build Environment, Version 2.12 requires DXPAK 1.0 or later |