Delphi ActiveX

Transition from Zip.AppendNewDir to Zip.AddEmpty

Provides instructions for replacing deprecated AppendNewDir method calls with AddEmpty. 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;
entryObj: IChilkatZipEntry;
isDir: Integer;
ze: TChilkatZipEntry;
index: Integer;

begin
success := 0;

zip := TChilkatZip.Create(Self);

// ...
// ...
pathInZip := 'exampleDir';

// ------------------------------------------------------------------------
// The AppendNewDir method is deprecated:

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

// ...
// ...

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

// Indicate the newly appended entry is a directory entry.
isDir := 1;

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