Delphi ActiveX

Transition from Zip.AppendDataEncoded to Zip.AddEncoded

Provides instructions for replacing deprecated AppendDataEncoded method calls with AddEncoded. 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;
pathInZip: WideString;
encoding: WideString;
encData: WideString;
entryObj: IChilkatZipEntry;
ze: TChilkatZipEntry;
index: Integer;

begin
success := 0;

zip := TChilkatZip.Create(Self);

// ...
// ...
pathInZip := 'example.dat';
encoding := 'base64';
encData := '... BASE64 DATA ...';

// ------------------------------------------------------------------------
// The AppendDataEncoded method is deprecated:

entryObj := zip.AppendDataEncoded(pathInZip,encoding,encData);
if (zip.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;

// ...
// ...

// ------------------------------------------------------------------------
// Do the equivalent using AddEncoded.

// Instead of returning the zip entry object, we just return success/failure.
success := zip.AddEncoded(pathInZip,encoding,encData);
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;