(Delphi DLL) Modify Name of File Stored within Zip when Creating a .zip

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

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, ZipEntry, Zip;

...

procedure TForm1.Button1Click(Sender: TObject);
var
zip: HCkZip;
success: Boolean;
saveExtraPath: Boolean;
entry: HCkZipEntry;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

zip := CkZip_Create();

// Intialize the zip object by calling NewZip.
success := CkZip_NewZip(zip,'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 := False;
success := CkZip_AppendOneFileOrDir(zip,'/temp/a/hamlet.xml',saveExtraPath);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkZip__lastErrorText(zip));
    Exit;
  end;

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

entry := CkZip_GetEntryByIndex(zip,0);

// Set the entry's filename to anything you want:
CkZipEntry_putFileName(entry,'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 := CkZip_WriteZipAndClose(zip);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkZip__lastErrorText(zip));
  end
else
  begin
    Memo1.Lines.Add('Zip created!');
  end;

CkZip_Dispose(zip);

end;