Отображение специальных символов в Caption

unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Vcl.StdCtrls, Buttons, XPMan;
 
type
  TForm1 = class(TForm)
    Edit1: TEdit;
 
    procedure FormCreate(Sender: TObject);
    procedure Edit1Change(Sender: TObject);
  private
    { Private declarations }
  public
    procedure BtnClickHandler(Sender: TObject);
    { Public declarations }
  end;
 
var
  Form1: TForm1;
 
implementation
 
{$R *.dfm}
 
procedure TForm1.FormCreate(Sender: TObject);
begin
  with TSpeedButton.Create(Edit1) do
  begin
    Parent := Edit1;
    Align := alRight;
    Width := 20;
    Caption := (chr($25bc));
    Cursor := crHandPoint;
    OnClick := BtnClickHandler;
  end;
end;
 
procedure TForm1.Edit1Change(Sender: TObject);
begin
  (Edit1.Components[0] as TControl).Repaint;
end;
 
procedure TForm1.BtnClickHandler(Sender: TObject);
begin
  ShowMessage('Dummy! Not ready yet! =)');
  (Sender as TControl).Repaint;
end;
 
end.

procedure TForm1.FormCreate(Sender: TObject);
begin
  with TSpeedButton.Create(Edit1) do
//  with TButton.Create(Edit1) do
  begin
    Parent := Edit1;
    Align := alRight;
    Width := 20;
    Font.Name:='Arial';
    Caption := (chr($25bc));
    Cursor := crHandPoint;
    OnClick := BtnClickHandler;
//    OnClick := Btn1Click;
  end;
end;