IStream

type IStream = interface(ISequentialStream)

  function Seek();

Set the stream position.

  function SetSize();

Set the stream size.

  function CopyTo();

Copy data from one stream to another.

  function Commit();

Commit data to the stream.

  function Revert;

Revert changes.

  function LockRegion();

Lock a region of bytes in the stream.

  function UnlockRegion();

Unlocks a previously locked region of bytes in the stream.

  function Stat();

return information about the stream.

  function Clone();

Clone the stream instance.

end;

IStream

COM stream abstraction.

ISequentialStream

Sequential stream object interface.

IInterface

Basic interface for all COM based interfaces.