(Delphi DLL) Replace or Remove Default HTTP Headers

See more HTTP Examples

Also see: Chilkat Http Default and Auto-Filled Headers

Note: This example requires Chilkat v11.2.0 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;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
responseBody: PWideChar;

begin
success := False;

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

http := CkHttp_Create();

// The following request will be sent.
// The Accept and Accept-Encoding headers are default headers added by Chilkat.

// Send a request with the following header:

// GET /helloWorld.txt HTTP/1.1
// Host: chilkatsoft.com
// Accept: */*
// Accept-Encoding: gzip

responseBody := CkHttp__quickGetStr(http,'https://chilkatsoft.com/helloWorld.txt');
// Examine the request header we just sent..
Memo1.Lines.Add(CkHttp__lastHeader(http));
Memo1.Lines.Add('----');

// Remove the default headers:
CkHttp_RemoveRequestHeader(http,'Accept');
CkHttp_RemoveRequestHeader(http,'Accept-Encoding');

// Send a request with the following header:

// GET /helloWorld.txt HTTP/1.1
// Host: chilkatsoft.com

responseBody := CkHttp__quickGetStr(http,'https://chilkatsoft.com/helloWorld.txt');
Memo1.Lines.Add(CkHttp__lastHeader(http));

CkHttp_Dispose(http);

end;