(Delphi ActiveX) Zip One File

Zip a single file.

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;
saveExtraPath: Integer;

begin
success := 0;

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

zip := TChilkatZip.Create(Self);

success := zip.NewZip('test.zip');
if (success = 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;

// In this example, the file we wish to zip is /temp/abc123/HelloWorld123.txt

// Add a reference to a single file by calling AddFile
// Note: You may use either forward or backward slashes.
saveExtraPath := 0;
success := zip.AddFile('/temp/abc123/HelloWorld123.txt',saveExtraPath);
if (success = 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;

success := zip.WriteZipAndClose();
if (success = 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;

// A .zip containing "HelloWorld123.txt" with no path information has been created.
Memo1.Lines.Add('Zip Created!');

// Perhaps you want to include a path in the .zip such that when unzipping, a sub-directory
// is automatically created and the file unzipped into it.  Use PathPrefix:

// (We'll skip checking the success/failure return value.)

// Set a PathPrefix to get the relative path you want:
// The .zip will contain this entry: "myApp/HelloWorld123.txt"
success := zip.NewZip('test2.zip');
zip.PathPrefix := 'myApp/';
success := zip.AddFile('/temp/abc123/HelloWorld123.txt',saveExtraPath);
success := zip.WriteZipAndClose();
end;