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(Delphi ActiveX) List Files/Directories in Zip by IndexSee more Zip ExamplesDemonstrates how to iterate over the files and directories in a zip archive by index.
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_v9_5_0_TLB; ... procedure TForm1.Button1Click(Sender: TObject); var zip: TChilkatZip; success: Integer; numEntries: Integer; i: Integer; entry: 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/sample.zip'); if (success <> 1) then begin Memo1.Lines.Add(zip.LastErrorText); Exit; end; numEntries := zip.NumEntries; i := 0; while i < numEntries do begin entry := zip.GetEntryByIndex(i); // Note: In the ZIP file format, it is not required for a ZIP file to contain explicit directory entries. // However, explicit directory entries can be included for convenience and compatibility with certain ZIP file processing tools and software. // An explicit directory entry in a ZIP file is an entry that specifically represents a directory, rather than a file. // It usually has a directory name with a trailing slash (/) and zero-length content. if (entry.IsDirectory) then begin Memo1.Lines.Add(IntToStr(i) + ': ' + entry.FileName + ' (directory)'); end else begin Memo1.Lines.Add(IntToStr(i) + ': ' + entry.FileName); end; i := i + 1; end; // Sample output: // 0: aaa/ (directory) // 1: aaa/pigs.json // 2: bbb/ (directory) // 3: bbb/base64Cert.txt // 4: bbb/sub1/ (directory) // 5: bbb/sub1/brasil_cert.pem // 6: bbb/sub2/ (directory) // 7: bbb/sub2/penguins.gif // 8: bbb/sub2/starfish.jpg // 9: hamlet.xml // 10: hello.pdf zip.CloseZip(); end; |
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