IAsyncReader::SyncRead (Compact 2013)

3/26/2014

This method performs a synchronous read.

Syntax

HRESULT SyncRead(
  LONGLONG llPosition,
  LONG lLength,
  BYTE* pBuffer
);

Parameters

• llPosition
  [in] Absolute file position.

• lLength
  [in] Number of bytes required.

• pBuffer
  [out] Where the data is written.

Return Value

Returns an HRESULT value that depends on the implementation of the interface. Current DirectShow implementation return values include the following.

Remarks

The SyncRead method works in a stopped state as well as in a running state. The read is not necessarily aligned. This method fails if the read is beyond the actual total length.

Requirements

See Also

Reference

IAsyncReader Interface