(Delphi DLL) Example for the Zip AppendNew Function

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Demonstrates the Zip AppendNew function.

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;
zipPath: PWideChar;
entry1: HCkZipEntry;
entry2: HCkZipEntry;

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

zip := CkZip_Create();

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

// Initialize the zip object, which also sets the FileName property to the path of the zip to be created.
CkZip_NewZip(zip,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.
entry1 := CkZip_AppendNew(zip,'empty.txt');
CkZipEntry_Dispose(entry1);

// Append another entry..
entry2 := CkZip_AppendNew(zip,'abc/helloWorld.txt');

// Add some data to this entry..
CkZipEntry_AppendString(entry2,'Hello World','utf-8');
CkZipEntry_Dispose(entry2);

// Write the zip, which contains 2 files:  empty.txt and helloWorld.txt
CkZip_putFileName(zip,zipPath);
success := CkZip_WriteZipAndClose(zip);
if (success = False) then
  begin
    Memo1.Lines.Add(CkZip__lastErrorText(zip));
    Exit;
  end;

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

CkZip_Dispose(zip);

end;