Delphi DLL

Transition from Zip.AppendNew to Zip.AddEmpty

Provides instructions for replacing deprecated AppendNew method calls with AddEmpty. 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;
pathInZip: PWideChar;
entryObj: HCkZipEntry;
isDir: Boolean;
ze: HCkZipEntry;
index: Integer;

begin
success := False;

zip := CkZip_Create();

// ...
// ...
pathInZip := 'example.dat';

// ------------------------------------------------------------------------
// The AppendNew method is deprecated:

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

// ...
// ...

CkZipEntry_Dispose(entryObj);

// ------------------------------------------------------------------------
// Do the equivalent using AddEmpty.

// Indicate the newly appended entry is not a directory entry.
isDir := False;

success := CkZip_AddEmpty(zip,isDir,pathInZip);
if (success = False) then
  begin
    Memo1.Lines.Add(CkZip__lastErrorText(zip));
    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 := CkZipEntry_Create();
index := CkZip_getNumEntries(zip) - 1;
CkZip_EntryAt(zip,index,ze);

CkZip_Dispose(zip);
CkZipEntry_Dispose(ze);

end;