Delphi ActiveX

Transition from Http.PTextSb to Http.HttpSb

Provides instructions for replacing deprecated PTextSb method calls with HttpSb. 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;
verb: WideString;
url: WideString;
sbRequestBody: TChilkatStringBuilder;
charset: WideString;
contentType: WideString;
responseObj: IChilkatHttpResponse;
responseOut: TChilkatHttpResponse;

begin
success := 0;

http := TChilkatHttp.Create(Self);

verb := 'PUT';
url := 'https://example.com/';
sbRequestBody := TChilkatStringBuilder.Create(Self);
sbRequestBody.Append('This is the HTTP request body');
charset := 'utf-8';
contentType := 'text/plain';

// ------------------------------------------------------------------------
// The PTextSb method is deprecated:

responseObj := http.PTextSb(verb,url,sbRequestBody.ControlInterface,charset,contentType,0,0);
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

// ...
// ...

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

responseOut := TChilkatHttpResponse.Create(Self);
success := http.HttpSb(verb,url,sbRequestBody.ControlInterface,charset,contentType,responseOut.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;
end;