Delphi DLL

Transition from Zip.FirstEntry to Zip.EntryAt

Provides instructions for replacing deprecated FirstEntry method calls with EntryAt. Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
zip: HCkZip;
entryObj: HCkZipEntry;
ze: HCkZipEntry;

begin
success := False;

zip := CkZip_Create();

// ...
// ...

// ------------------------------------------------------------------------
// The FirstEntry method is deprecated:

entryObj := CkZip_FirstEntry(zip);
if (CkZip_getLastMethodSuccess(zip) = False) then
  begin
    Memo1.Lines.Add(CkZip__lastErrorText(zip));
    Exit;
  end;

// ...
// ...

CkZipEntry_Dispose(entryObj);

// ------------------------------------------------------------------------
// Do the equivalent using EntryAt.

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

// The 1st entry is at index 0.
ze := CkZipEntry_Create();
success := CkZip_EntryAt(zip,0,ze);
if (success = False) then
  begin
    Memo1.Lines.Add(CkZip__lastErrorText(zip));
    Exit;
  end;

CkZip_Dispose(zip);
CkZipEntry_Dispose(ze);

end;