(Delphi ActiveX) Transition from Http.PText to Http.HttpStr

Provides instructions for replacing deprecated PText method calls with HttpStr.

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

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
http: TChilkatHttp;
verb: WideString;
url: WideString;
textData: WideString;
charset: WideString;
contentType: WideString;
responseObj: IChilkatHttpResponse;
responseOut: TChilkatHttpResponse;
success: Integer;

begin
http := TChilkatHttp.Create(Self);

verb := 'PUT';
url := 'https://example.com/';
textData := 'This is the HTTP request body';
charset := 'utf-8';
contentType := 'text/plain';

// ------------------------------------------------------------------------
// The PText method is deprecated:

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

// ...
// ...

// ------------------------------------------------------------------------
// Do the equivalent using HttpStr.
// 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.HttpStr(verb,url,textData,charset,contentType,responseOut.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;
end;