Delphi ActiveX

Transition from Zip.AppendOneFileOrDir to Zip.AddFile

Provides instructions for replacing deprecated AppendOneFileOrDir method calls with AddFile. Delphi ActiveX

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;
localFilePath: WideString;
saveExtraPath: Integer;
entryObj: IChilkatZipEntry;
ze: TChilkatZipEntry;
index: Integer;

begin
success := 0;

zip := TChilkatZip.Create(Self);

// ...
// ...
localFilePath := 'c:/someDir/example.dat';
saveExtraPath := 0;

// ------------------------------------------------------------------------
// The AppendOneFileOrDir method is deprecated:

entryObj := zip.AppendOneFileOrDir(localFilePath,saveExtraPath);
if (zip.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;

// ...
// ...

// ------------------------------------------------------------------------
// Do the equivalent using AddFile.

// Instead of returning the zip entry object, we just return success/failure.
success := zip.AddFile(localFilePath,saveExtraPath);
if (success = 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;

// Do the following if you need the zip entry object for what was just appended.
// The newly appended entry is the last one.
ze := TChilkatZipEntry.Create(Self);
index := zip.NumEntries - 1;
zip.EntryAt(index,ze.ControlInterface);
end;