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

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
zip: TChilkatZip;
success: Integer;
entry: IChilkatZipEntry;
finished: Integer;
next: IChilkatZipEntry;

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

zip := TChilkatZip.Create(Self);

success := zip.OpenZip('qa_data/zips/xml_files.zip');
if (success <> 1) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;

entry := zip.FirstEntry();
if (zip.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add('This zip archive is empty.');
    Exit;
  end;

finished := 0;
while finished = 0 do
  begin

    if (entry.IsDirectory = 0) then
      begin
        Memo1.Lines.Add(entry.FileName);
      end
    else
      begin
        Memo1.Lines.Add('(directory) ' + entry.FileName);
      end;
    next := entry.NextEntry();
    if (entry.LastMethodSuccess = 0) then
      begin
        finished := 1;
      end;

    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
end;