(Delphi ActiveX) Example: Http.ClearHeaders method

Demonstrates how to call the ClearHeaders method.

Also see: Chilkat Http Default and Auto-Filled Headers

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
success: Integer;
http: TChilkatHttp;
responseBody: WideString;

begin
success := 0;

http := TChilkatHttp.Create(Self);

// Add a request header.
http.SetRequestHeader('X-Something','1234');
http.SetRequestHeader('X-Example','5678');

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

// Output:

// GET /helloWorld.txt HTTP/1.1
// Host: chilkatsoft.com
// Accept: */*
// Accept-Encoding: gzip
// X-Something: 1234
// X-Example: 5678

// Remove the request headers we previously added:
http.ClearHeaders();

responseBody := http.QuickGetStr('https://chilkatsoft.com/helloWorld.txt');
Memo1.Lines.Add(http.LastHeader);

// Output:

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