Modify Name of File Stored within Zip when Creating a .zip

Download Chilkat Zip ActiveX

Demonstrates how to create a zip where the filename within the .zip is different than the filename that was added from the filesystem.

uses
    Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
    Dialogs, StdCtrls,
    ChilkatZip2Lib_TLB,
    OleCtrls;

...

procedure TForm1.Button1Click(Sender: TObject);
var
zip: TChilkatZip2;
success: Integer;
saveExtraPath: Integer;
entry: IChilkatZipEntry2;

begin
zip := TChilkatZip2.Create(Self);

success := zip.UnlockComponent('anything for 30-day trial');
if (success <> 1) then
  begin
    ShowMessage('Failed to unlock zip component');

  end;

//  Intialize the zip object by calling NewZip.
zip.NewZip('myZip.zip');

//  Add a reference to a file on disk to the zip object.
//  (When appending files to a zip, the files are not actually
//  read into memory.  References to the file(s) are added.
//  When WriteZip is called, the referenced files are streamed in
//  and compressed to the .zip.)
saveExtraPath := 0;
success := zip.AppendOneFileOrDir('c:/temp/a/hamlet.xml',saveExtraPath);
if (success <> 1) then
  begin
    ShowMessage(zip.LastErrorText);

  end;

//  The zip object references a single file.
//  Retrieve the entry object...

entry := zip.GetEntryByIndex(0);

//  Set the entry's filename to anything you want:
entry.FileName := 'somethingElse.xml';

//  Note: Internally, the zip component retains the name of
//  the file referenced.  The current setting of the zip entry's
//  FileName property is stored in the .zip when writing.

//  The zip written here will contain somethingElse.xml
success := zip.WriteZipAndClose();
if (success <> 1) then
  begin
    ShowMessage(zip.LastErrorText);
  end
else
  begin
    ShowMessage('Zip created!');
  end;
end;