(Delphi ActiveX) Example for the Zip AppendNew Function

See more Zip Examples

Note: This example requires Chilkat v11.0.0 or greater.

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
success: Integer;
zip: TChilkatZip;
zipPath: WideString;
pathInZip: WideString;
entry: TChilkatZipEntry;

begin
success := 0;

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

zip := TChilkatZip.Create(Self);

zipPath := 'c:/temp/qa_output/test.zip';

// Initialize the zip object, which also sets the FileName property to the path of the zip to be created.
zip.NewZip(zipPath);

// Append a new and empty file to the zip object.
// This does not write the zip file.  It simply adds an entry
// that will get processed when the zip is written.
zip.AddEmpty(0,'empty.txt');

// Append another entry..
pathInZip := 'abc/helloWorld.txt';
zip.AddEmpty(0,pathInZip);

// Add some data to this entry..
entry := TChilkatZipEntry.Create(Self);
zip.EntryOf(pathInZip,entry.ControlInterface);
entry.AppendString('Hello World','utf-8');

// Write the zip, which contains 2 files:  empty.txt and helloWorld.txt
zip.FileName := zipPath;
success := zip.WriteZipAndClose();
if (success = 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('Success.');
end;