Delphi ActiveX

Decode Base64

Demonstrates how to decode base64. Delphi ActiveX

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
bd: TChilkatBinData;
password: WideString;

begin
success := 0;

bd := TChilkatBinData.Create(Self);

// Append a base64 string to bd.
success := bd.AppendEncoded('c2VjcmV0','base64');

// The bd now contains the decoded bytes.
// Let's say it was a password string..
password := bd.GetString('utf-8');

// Decodes to "secret".
Memo1.Lines.Add('password = ' + password);
end;