TCompressionStream

type TCompressionStream = class(TCustomZlibStream)

public

  constructor Create();

Create a new instance of the compression stream.

  destructor Destroy; override;

Flushe data to the output stream and destroys the compression stream.

  function Read(); override;

Overridden to raise an exception.

  function Write(); override;

Write data to the stream

  function Seek(); override;

Overrides seek to raise an exception.

  property CompressionRate: extended; [r]

Running compression rate of compression stream

  property OnProgress;

Progress handler

end;

TCompressionStream

Write-only stream class which compresses data written to it.

TCustomZlibStream

Ancestor for compression and decompression classes

TOwnerStream

TObject