Delphi ActiveX

HTTP POST with Binary Data in Request Body

See more HTTP Examples

Do an HTTPS POST with a binary request body. 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;
http: TChilkatHttp;
fac: TCkFileAccess;
reqBody: Array of Byte;
resp: TChilkatHttpResponse;
responseStatusCode: Integer;

begin
success := 0;

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

http := TChilkatHttp.Create(Self);

fac := TCkFileAccess.Create(Self);

reqBody := fac.ReadEntireFile('qa_data/pdf/helloWorld.pdf');

resp := TChilkatHttpResponse.Create(Self);
success := http.HttpBinary('POST','https://example.com/something',reqBody,'application/pdf',resp.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

responseStatusCode := resp.StatusCode;
Memo1.Lines.Add('Status code: ' + IntToStr(responseStatusCode));

// For example, if the response is XML, JSON, HTML, etc.
Memo1.Lines.Add('response body:');
Memo1.Lines.Add(resp.BodyStr);
end;