Delphi ActiveX
HTTP Session Logging

Demonstrates how to use the SessionLogFilename property to log HTTP requests and responses to a file.
Chilkat Delphi ActiveX Downloads

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
http: TChilkatHttp;
html: WideString;

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

http := TChilkatHttp.Create(Self);

// Set the SessionLogFilename property so that the Chilkat HTTP component
// logs the exact HTTP requests and responses to a file.

// The SessionLogFilename may be used with any of the HTTP
// methods for sending GET, POST, PUT, DELETE, HEAD, etc.
http.SessionLogFilename := 'c:/temp/httpSessionLog.txt';

// Try a simple HTTP GET and then examine the session log:
html := http.QuickGetStr('http://www.chilkatsoft.com/httpTest/abc.html');
if (http.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

// The contents of the session log file after doing 
// the GET request:

// 	---- Sending ----
// 	GET /httpTest/abc.html HTTP/1.1
// 	Accept: */*
// 	Accept-Encoding: gzip
// 	Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
// 	Accept-Language: en-us,en;q=0.5
// 	Host: www.chilkatsoft.com
// 	Connection: Keep-Alive
// 
// 
// 	---- Received ----
// 	HTTP/1.1 200 OK
// 	Content-Length: 37
// 	Content-Type: text/html
// 	Last-Modified: Wed, 09 Dec 2009 14:55:08 GMT
// 	Accept-Ranges: bytes
// 	ETag: "4eecd499df78ca1:28b"
// 	Server: Microsoft-IIS/6.0
// 	X-Powered-By: ASP.NET
// 	Date: Wed, 09 Dec 2009 15:15:50 GMT
// 
// 	<html>
// 	<body>
// 	ABC
// 	</body>
// 	</html>
// 
end;