Add motivational example to TV example

src/ObserverPattern/ObserverPatternExamples.cs

@@ -71,7 +71,6 @@ Concrete Observer -> Implementation of the observer
 ";
         }
 
-
         private static string GetLapsedLinstenerProblem()
         {
             return @"
@@ -80,6 +79,7 @@ Consequently, the publisher still holds a reference to the observer which preven
 — including all other objects it is referring to — for as long as the publisher is alive, which could be until the end of the application.
 This causes not only a memory leak, but also a performance degradation with an 'uninterested' observer receiving and acting on unwanted events";
         }
+
         private static void GoToNextStep()
         {
             Console.ReadKey();

src/StatePattern/StatePatternExamples.cs

@@ -10,7 +10,17 @@ namespace StatePattern
     {
         public static void Run()
         {
+            TVMotivationalExample.Run();
+
+            GoToNextStep();
+
             TVExampleRunner.Run();
         }
+
+        private static void GoToNextStep()
+        {
+            Console.ReadKey();
+            Console.Clear();
+        }
     }
 }

src/StatePattern/TVExample/ITVState.cs

@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 
 namespace StatePattern
 {
+    /// <summary>
+    /// State interface
+    /// </summary>
     public interface ITVState
     {
         void OnPowerButtonPresed();

src/StatePattern/TVExample/TVContext.cs

@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 
 namespace StatePattern.TVExample
 {
+    /// <summary>
+    /// Context
+    /// </summary>
     public class TVContext : ITVState
     {
         public ITVState TvOnState { get; private set; }

src/StatePattern/TVExample/TVMotivationalExample.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace StatePattern.TVExample
+{
+    public class TVMotivationalExample
+    {        
+        public static void Run()
+        {
+            var tvMotivationalContext = new TVMotivationalContext();
+
+            tvMotivationalContext.OnPowerButtonPresed();
+
+            tvMotivationalContext.OnPowerButtonPresed();
+
+            tvMotivationalContext.OnPowerButtonPresed();
+
+            tvMotivationalContext.OnPowerButtonPresed();
+        }
+    }
+
+    public class TVMotivationalContext
+    {
+        bool isTvOn = false;
+
+        public void OnPowerButtonPresed()
+        {
+            if(isTvOn)
+            {
+                Console.WriteLine("TV turning off");
+                isTvOn = false;
+            }
+            else
+            {
+                Console.WriteLine("Turning TV on");
+                isTvOn = true;
+            }
+        }
+    }
+}

src/StatePattern/TVExample/TVOffState.cs

@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 
 namespace StatePattern.TVExample
 {
+    /// <summary>
+    /// Concrete state
+    /// </summary>
     public class TVOffState : ITVState
     {
         TVContext context;

src/StatePattern/TVExample/TVOnState.cs

@@ -6,6 +6,9 @@ using System.Threading.Tasks;
 
 namespace StatePattern.TVExample
 {
+    /// <summary>
+    /// Concrete state
+    /// </summary>
     public class TVOnState : ITVState
     {
         TVContext context;