(Delphi DLL) Transition from Http.SynchronousRequest to Http.HttpSReq

Provides instructions for replacing deprecated SynchronousRequest method calls with HttpSReq.

Note: This example requires Chilkat v11.0.0 or greater.

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, Http, HttpRequest, HttpResponse;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
domain: PWideChar;
port: Integer;
tls: Integer;
req: HCkHttpRequest;
responseObj: HCkHttpResponse;
responseOut: HCkHttpResponse;
success: Boolean;

begin
http := CkHttp_Create();

domain := 'example.com';
port := 443;
tls := True;

req := CkHttpRequest_Create();
CkHttpRequest_putHttpVerb(req,'POST');
CkHttpRequest_putPath(req,'/some/path');
CkHttpRequest_putContentType(req,'application/x-www-form-urlencoded');
CkHttpRequest_AddParam(req,'firstName','Matt');
CkHttpRequest_AddParam(req,'lastName','Smith');

// ------------------------------------------------------------------------
// The SynchronousRequest method is deprecated:

responseObj := CkHttp_SynchronousRequest(http,domain,port,tls,req);
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

// ...
// ...

CkHttpResponse_Dispose(responseObj);

// ------------------------------------------------------------------------
// Do the equivalent using HttpSReq.
// Your application creates a new, empty HttpResponse object which is passed 
// in the last argument and filled upon success.

responseOut := CkHttpResponse_Create();
success := CkHttp_HttpSReq(http,domain,port,tls,req,responseOut);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

CkHttp_Dispose(http);
CkHttpRequest_Dispose(req);
CkHttpResponse_Dispose(responseOut);

end;