TScreen 类 - 获取字体列表 
unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Memo1: TMemo;
    procedure FormCreate(Sender: TObject);
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
  Memo1.ScrollBars := ssBoth;
  Memo1.Align := alLeft;
  Memo1.Clear;

  {通过 Screen 对象, 只此一句话即可获取字体列表}
  Memo1.Lines := Screen.Fonts;
end;

end.