Вызов метода по его имени

Оформил: DeeCo

type
   TForm1 = class(TForm)
     Button1: TButton;
     procedure Button1Click(Sender: TObject);
     // Your routines (that you'll run by name) must be here 
    procedure Hello_World(Sender: TObject);
   private
     procedure ExecuteRoutine(Instance: TObject; Name: string);
   end;

 var
   Form1: TForm1;

 type
   TExecute = procedure of object;

 procedure TForm1.ExecuteRoutine(Instance: TObject; Name: string);
 var
   Routine: TMethod;
   Execute: TExecute;
 begin
   Routine.Data := Pointer(Instance);
   // Returns the address of a published method. 
  Routine.Code := Instance.MethodAddress(Name);
   if Routine.Code = nil then Exit;
   Execute := TExecute(Routine);
   Execute;
 end;

 procedure TForm1.Button1Click(Sender: TObject);
 begin
   ExecuteRoutine(Form1, 'Hello_World');
 end;

 procedure TForm1.Hello_World(Sender: TObject);
 begin
   ShowMessage('This is a test');
 end;