(Delphi DLL) Setting a HTTP Max Response Size

Demonstrates the MaxResponseSize property.

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;
maxSz: Cardinal;
xmlStr: PWideChar;

begin
success := False;

http := CkHttp_Create();

maxSz := 16384;
CkHttp_putMaxResponseSize(http,maxSz);

// Try to get something larger, such as hamlet.xml which is 279658 bytes
xmlStr := CkHttp__quickGetStr(http,'https://chilkatsoft.com/hamlet.xml');
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    // If the LastErrorText contains the string "MaxResponseSize",
    // then the HTTP request failed because the response body would've been larger than the max allowed response size.
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('OK');

CkHttp_Dispose(http);

end;