(Delphi DLL) Example: Http.S3_DownloadBd method

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Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
bucketName: PWideChar;
objectName: PWideChar;
localFilePath: PWideChar;
bd: HCkBinData;

begin
success := False;

// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

http := CkHttp_Create();

CkHttp_putAwsAccessKey(http,'AWS_ACCESS_KEY');
CkHttp_putAwsSecretKey(http,'AWS_SECRET_KEY');
CkHttp_putAwsRegion(http,'us-west-2');
CkHttp_putAwsEndpoint(http,'s3-us-west-2.amazonaws.com');

bucketName := 'chilkat.qa';
objectName := '/images/sea_creatures/starfish.jpg';
localFilePath := 'qa_output/starfish.jpg';

bd := CkBinData_Create();
success := CkHttp_S3_DownloadBd(http,bucketName,objectName,bd);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('Downloaded ' + IntToStr(CkBinData_getNumBytes(bd)) + ' bytes');

CkHttp_Dispose(http);
CkBinData_Dispose(bd);

end;