Delphi DLL

Inspect HTTP Request Header

Demonstrates the LastHeader property. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, HttpResponse, Http;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
url: PWideChar;
json: PWideChar;
resp: HCkHttpResponse;

begin
success := False;

http := CkHttp_Create();

url := 'https://chilkatsoft.com/echo_request_body.asp';
json := '{"greeting":"Hello World"}';

// Send a POST with the JSON in the HTTP request body.
resp := CkHttpResponse_Create();
success := CkHttp_HttpStr(http,'POST',url,json,'utf-8','application/json',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

// Examine the HTTP request header we just sent.
Memo1.Lines.Add(CkHttp__lastHeader(http));

// Output:

// POST /echo_request_body.asp HTTP/1.1
// Host: chilkatsoft.com
// Accept: */*
// Accept-Encoding: gzip
// Content-Type: application/json
// Content-Length: 26

CkHttp_Dispose(http);
CkHttpResponse_Dispose(resp);

end;