Load file into XML as Base64 Encoded Content

Loads any type file into an XML document. The file content is encoded as base64.

Download Chilkat XML ActiveX

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
docRoot: CHILKATXMLLib_TLB.IChilkatXml;
success: Integer;
zipContent: Integer;
encryptContent: Integer;
encryptPassword: String;
pdfNode: CHILKATXMLLib_TLB.IChilkatXml;
unzipContent: Integer;
decryptContent: Integer;
decryptPassword: String;

begin
docRoot := TChilkatXml.Create(Self).ControlInterface;

docRoot.Tag := 'myDoc';

//  To zip compress the content, set this flag to 1
zipContent := 0;
//  To 128-bit AES encrypt the content, set this flag to 1
encryptContent := 0;
encryptPassword := '';

pdfNode := docRoot.NewChild('pdf','');

//  Embed a PDF into XML
success := pdfNode.SetBinaryContentFromFile('sample.pdf',zipContent,encryptContent,encryptPassword);
if (success <> 1) then
  begin
    ShowMessage(pdfNode.LastErrorText);

    Exit;
  end;
ShowMessage(pdfNode.LastErrorText);

//  Display the entire XML document:
Memo1.Lines.Add(docRoot.GetXml());

//  Get the Base64-encoded content and display it:
Memo1.Lines.Add(pdfNode.Content);

//  Extract the binary content from XML:
unzipContent := 0;
decryptContent := 0;
decryptPassword := '';
success := pdfNode.SaveBinaryContent('out.pdf',unzipContent,decryptContent,decryptPassword);
if (success <> 1) then
  begin
    ShowMessage(pdfNode.LastErrorText);

    Exit;
  end;

ShowMessage('Success!');
end;