TStreamAdapter

type TStreamAdapter = class(TInterfacedObject, IStream)

public

  constructor Create();

Create a new instance of TStreamAdapter

  destructor Destroy; override;

Free the TStreamAdapter instance

  function Read(); virtual;

Read from the stream.

  function Write(); virtual;

Write to the stream

  function Seek(); virtual;

Set the stream position

  function SetSize(); virtual;

Set the stream size

  function CopyTo(); virtual;

Copy data to destination stream

  function Commit(); virtual;

Commit data to the stream

  function Revert; virtual;

Revert operations on the stream

  function LockRegion(); virtual;

Lock a region of the stream

  function UnlockRegion(); virtual;

Unlock a region of the stream

  function Stat(); virtual;

Return statistical data about the stream

  function Clone(); virtual;

Clone the stream

  property Stream: TStream; [r]

Stream on which adaptor works

  property StreamOwnership: TStreamOwnership; [rw]

Determines what happens with the stream when the adaptor is freed

end;

TStreamAdapter,IStream

Implements IStream for TStream descendants

TInterfacedObject,IUnknown

TObject descendent implementing the IUnknown interface

TObject

Base class of all classes.