(Delphi DLL) List Files in Zip using FirstEntry/NextEntry

See more Zip Examples

Demonstrates how to iterate over the files and directories in a zip archive using the FirstEntry and NextEntry functions.

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;
entry: HCkZipEntry;
finished: Boolean;
next: HCkZipEntry;

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

zip := CkZip_Create();

success := CkZip_OpenZip(zip,'qa_data/zips/xml_files.zip');
if (success <> True) then
  begin
    Memo1.Lines.Add(CkZip__lastErrorText(zip));
    Exit;
  end;

entry := CkZip_FirstEntry(zip);
if (CkZip_getLastMethodSuccess(zip) = False) then
  begin
    Memo1.Lines.Add('This zip archive is empty.');
    Exit;
  end;

finished := False;
while finished = False do
  begin

    if (CkZipEntry_getIsDirectory(entry) = False) then
      begin
        Memo1.Lines.Add(CkZipEntry__fileName(entry));
      end
    else
      begin
        Memo1.Lines.Add('(directory) ' + CkZipEntry__fileName(entry));
      end;
    next := CkZipEntry_NextEntry(entry);
    if (CkZipEntry_getLastMethodSuccess(entry) = False) then
      begin
        finished := True;
      end;
    CkZipEntry_Dispose(entry);
    entry := next;
  end;

// Sample output showing both file and directory entries:

// a1.xml
// b1.xml
// c1.xml
// (directory) dir1/
// dir1/a2.xml
// dir1/c2.xml
// (directory) dir2/
// (directory) dir2/dir3/
// dir2/dir3/c3.xml

CkZip_Dispose(zip);

end;