(Delphi ActiveX) Example: Http.S3_DownloadBd method

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

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;
http: TChilkatHttp;
bucketName: WideString;
objectName: WideString;
localFilePath: WideString;
bd: TChilkatBinData;

begin
success := 0;

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

http := TChilkatHttp.Create(Self);

http.AwsAccessKey := 'AWS_ACCESS_KEY';
http.AwsSecretKey := 'AWS_SECRET_KEY';
http.AwsRegion := 'us-west-2';
http.AwsEndpoint := 's3-us-west-2.amazonaws.com';

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

bd := TChilkatBinData.Create(Self);
success := http.S3_DownloadBd(bucketName,objectName,bd.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

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