Unpack HTML Email to Files

Unpacks an HTML email into an HTML file and related files (images and style sheets). The links within the HTML are updated to point to the files unpacked and saved to disk.

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uses
    Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
    Dialogs, StdCtrls,
    CHILKATMAILLib2_TLB,
    OleCtrls;

...

procedure TForm1.Button1Click(Sender: TObject);
var
email: CHILKATMAILLib2_TLB.IChilkatEmail2;
success: Integer;
unpackDir: String;
partsSubdir: String;
htmlFilename: String;

begin

email := CoChilkatEmail2.Create();

success := email.LoadEml('bonaire.eml');
if (success <> 1) then
  begin
    ShowMessage(email.LastErrorText);
    Exit;
  end;

//  Is this an HTML email?
if (email.HasHtmlBody() = 1) then
  begin

    //  Unpack the HTML to files.  The image and css URLs
    //  in the HTML are modified to point to the files extracted to disk.
    unpackDir := 'c:/temp';
    partsSubdir := 'images';
    htmlFilename := 'thisEmail.html';
    success := email.UnpackHtml(unpackDir,htmlFilename,partsSubdir);
    if (success <> 1) then
      begin
        ShowMessage(email.LastErrorText);
      end;
    //  If the UnpackHtml method was successful, the
    //  HTML is written to c:/temp/thisEmail.html and
    //  the image files are located in c:/temp/images

  end;


end;