Delphi ActiveX

Transition from Zip.GetEntryByIndex to Zip.EntryAt

Provides instructions for replacing deprecated GetEntryByIndex method calls with EntryAt. 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;
index: Integer;
entryObj: IChilkatZipEntry;
ze: TChilkatZipEntry;

begin
success := 0;

zip := TChilkatZip.Create(Self);

// ...
// ...
index := 15;

// ------------------------------------------------------------------------
// The GetEntryByIndex method is deprecated:

entryObj := zip.GetEntryByIndex(index);
if (zip.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;

// ...
// ...

// ------------------------------------------------------------------------
// Do the equivalent using EntryAt.
// Your application creates a new, empty ZipEntry object which is passed 
// in the last argument and filled upon success.

ze := TChilkatZipEntry.Create(Self);
success := zip.EntryAt(index,ze.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(zip.LastErrorText);
    Exit;
  end;
end;