Delphi DLL

Transition from Zip.AppendBd to Zip.AddBd

Provides instructions for replacing deprecated AppendBd method calls with AddBd. Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
zip: HCkZip;
pathInZip: PWideChar;
bd: HCkBinData;
entryObj: HCkZipEntry;
ze: HCkZipEntry;
index: Integer;

begin
success := False;

zip := CkZip_Create();

// ...
// ...

pathInZip := 'example.dat';

bd := CkBinData_Create();
CkBinData_LoadFile(bd,'c:/someDir/example.dat');

// ------------------------------------------------------------------------
// The AppendBd method is deprecated:
// AppendBd returns the zip entry object, which is usually not needed.

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

// ...
// ...

CkZipEntry_Dispose(entryObj);

// ------------------------------------------------------------------------
// Do the equivalent using AddBd.

// Instead of returning the zip entry object, we just return success/failure.
success := CkZip_AddBd(zip,pathInZip,bd);
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);
CkBinData_Dispose(bd);
CkZipEntry_Dispose(ze);

end;