Pascal (Lazarus/Delphi)

Download Web Page to MHT with w/ Disk Cache

See more MHT / HTML Email Examples

Downloads a web page into a .mht web archive. Embedded images and style sheets are loaded and/or saved to a disk cache. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Mht;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  mht: TMht;

begin
  success := False;

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

  mht := TMht.Create;

  //  Use a single directory to hold cached files.
  //  (Make sure it is a directory your app has permission to create files.)
  mht.NumCacheLevels := 0;
  mht.AddCacheRoot('/Users/chilkat/temp/mhtCache/');

  //  Tell the MHT component to save files to cache,
  //  and to retrieve from cache if possible:
  mht.FetchFromCache := True;
  mht.UpdateCache := True;

  //  The 1st time this is run, the parts (image files,
  //  style sheets, etc.) will be saved to the disk cache.
  //  The 2nd time this is run, the parts will load from cache.
  //  Note: The main content (i.e. the HTML page) 
  //  is not saved to cache, nor is it retrieved from cache.
  //  It is only the sub-parts (embedded images, style sheets)
  //  that are saved to and loaded from cache.
  success := mht.GetAndSaveMHT('http://www.intel.com/','intel.mht');
  if (success <> True) then
    begin
      WriteLn(mht.LastErrorText);
    end
  else
    begin
      WriteLn('MHT Created!');
    end;


  mht.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.