Как добавить True Type шрифт в систему

uses Registry; 

procedure TForm1.Button1Click(Sender: TObject); 
var 
  hReg: TRegistry; 
  hBool : bool; 
begin 
  CopyFile('C:\DOWNLOAD\FP000100.TTF', 
           'C:\WINDOWS\FONTS\FP000100.TTF', hBool); 
  hReg := TRegistry.Create; 
  hReg.RootKey := HKEY_LOCAL_MACHINE; 
  hReg.LazyWrite := false; 
  hReg.OpenKey('Software\Microsoft\Windows\CurrentVersion\Fonts', 
               false); 
  hReg.WriteString('TESTMICR (TrueType)','FP000100.TTF'); 
  hReg.CloseKey; 
  hReg.free; 
  //Добавляем ресурс шрифта
  AddFontResource('c:\windows\fonts\FP000100.TTF'); 
  SendMessage(HWND_BROADCAST, WM_FONTCHANGE, 0, 0); 
  //Убираем блокировку ресурса
  RemoveFontResource('c:\windows\fonts\FP000100.TTF'); 
  SendMessage(HWND_BROADCAST, WM_FONTCHANGE, 0, 0); 
end;