Zip an Email's Attachments into One File

See more Email Object Examples

Demonstrates the Chilkat Email.ZipAttachments method, which replaces all of an email's attachments with a single Zip file attachment having the specified filename. The original attachments are removed and packed into the Zip. This example adds two attachments and zips them into one.

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Email;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  email: TEmail;

begin
  success := False;

  //  Demonstrates the ZipAttachments method, which replaces all of an email's attachments
  //  with a single Zip file attachment having the specified filename.  The original
  //  attachments are removed and packed into the Zip.

  email := TEmail.Create;
  email.Subject := 'Zip the attachments';

  email.AddStringAttachment('a.txt','first attachment');
  email.AddStringAttachment('b.txt','second attachment');
  WriteLn('NumAttachments before = ' + email.NumAttachments);

  //  Replace all attachments with a single Zip attachment named "files.zip".
  success := email.ZipAttachments('files.zip');
  if (success = False) then
    begin
      WriteLn(email.LastErrorText);
      Exit;
    end;

  WriteLn('NumAttachments after = ' + email.NumAttachments);


  email.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.