Delphi DLL

Zip Append StringBuilder

See more Zip Examples

Append the contents of a Chilkat StringBuilder object to a .zip. Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
zip: HCkZip;
zipPath: PWideChar;
sb: HCkStringBuilder;
i: Integer;
zip2: HCkZip;
zipPath2: PWideChar;

begin
success := False;

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

zip := CkZip_Create();
zipPath := 'c:/temp/qa_output/out.zip';

CkZip_NewZip(zip,zipPath);

sb := CkStringBuilder_Create();
i := 0;
while i < 100 do
  begin
    CkStringBuilder_AppendLine(sb,'This is a test',True);
    i := i + 1;
  end;

CkZip_AddSb(zip,'this_is_a_test.txt',sb,'utf-8');

success := CkZip_WriteZipAndClose(zip);
if (success = False) then
  begin
    Memo1.Lines.Add(CkZip__lastErrorText(zip));
    Exit;
  end;

Memo1.Lines.Add('Success 1.');

// Perhaps you want to add a file to an existing .zip
zip2 := CkZip_Create();
// Open the .zip we just wrote..
success := CkZip_OpenZip(zip2,zipPath);

CkStringBuilder_Clear(sb);
i := 0;
while i < 100 do
  begin
    CkStringBuilder_AppendLine(sb,'This is a test 2',True);
    i := i + 1;
  end;

CkZip_AddSb(zip2,'this_is_a_test_2.txt',sb,'utf-8');

zipPath2 := 'c:/temp/qa_output/out2.zip';
CkZip_putFileName(zip2,zipPath2);
success := CkZip_WriteZipAndClose(zip2);
if (success = False) then
  begin
    Memo1.Lines.Add(CkZip__lastErrorText(zip2));
    Exit;
  end;

Memo1.Lines.Add('Success 2.');

CkZip_Dispose(zip);
CkStringBuilder_Dispose(sb);
CkZip_Dispose(zip2);

end;