(Delphi DLL) Box.com Download Binary File to Memory

Retrieves the actual data of the file into a memory (not to a local file).

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
http: HCkHttp;
bd: HCkBinData;
success: Boolean;

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

http := CkHttp_Create();

//  Provide a previously obtained OAuth2 access token.
//  See Get Box OAuth2 Access Token.
CkHttp_putAuthToken(http,'BOX_ACCESS_TOKEN');

CkHttp_putFollowRedirects(http,True);

//  The file is specified by the file ID.
//  In this case, we're downloading a file with FILE_ID = 283371752129.
//  The general form of the URL for downloading is: https://api.box.com/2.0/files/FILE_ID/content
bd := CkBinData_Create();
success := CkHttp_DownloadBd(http,'https://api.box.com/2.0/files/283371752129/content',bd);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('Downloaded tigers.jpeg into an object holding the binary data.');

Memo1.Lines.Add('Number of bytes: ' + IntToStr(CkBinData_getNumBytes(bd)));

CkHttp_Dispose(http);
CkBinData_Dispose(bd);

end;