"Please Don’t Fail Me!" - Decorator Cries Out to Template Method

using System;
using HypotheticalShapeLib;

namespace Decorators
{
   public class ShapeFiller : ShapeDecoratorBase
   {
      public ShapeFiller(Shape shape)
         : base(shape)
      {
      }

      protected override void Paint()
      {
         // Draw the Shape First
         base.Paint();

         Console.WriteLine(string.Format("Filling Shape - {0}", _shape.TypeName));
      }
   }

   public class ShapeBorderThickener : ShapeDecoratorBase
   {
      public ShapeBorderThickener(Shape shape)
         : base(shape)
      {
      }

      protected override void Paint()
      {
         // Draw the Shape First
         base.Paint();

         Console.WriteLine(string.Format("Thickening border of Shape - {0}", _shape.TypeName));
      }
   }
}