C# and WPF tutorial files

C# Beginners/ConsoleApplication1/NumberGuesser.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApplication1
+{
+    /// <summary>
+    /// Asks the user to guess a number between a certain range and then guesses that number in the fewest possible guesses
+    /// </summary>
+    public class NumberGuesser
+    {
+        #region Public Properties
+
+        /// <summary>
+        /// The largest number we ask the user to guess, between 0 and this number
+        /// </summary>
+        public int MaximumNumber { get; set; }
+
+        /// <summary>
+        /// The current number of guesses the computer has had
+        /// </summary>
+        public int CurrentNumberOfGuesses { get; private set; }
+
+        /// <summary>
+        /// The current known minimum number the user is thinking of
+        /// </summary>
+        public int CurrentGuessMinimum { get; private set; }
+
+        /// <summary>
+        /// The current known maximum number the user is thinking of
+        /// </summary>
+        public int CurrentGuessMaximum { get; private set; }
+
+        #endregion
+
+        #region .ctor
+
+        /// <summary>
+        /// Default constructor
+        /// </summary>
+        public NumberGuesser()
+        {
+            // Set default maximum number
+            this.MaximumNumber = 100;
+        }
+
+        #endregion
+
+        #region Public Methods
+
+        /// <summary>
+        /// Asks the user to think of a number between 0 and the maximum number
+        /// </summary>
+        public void InformUser()
+        {
+            // Ask user to think of a number between 0 and MaximumNumber
+            Console.WriteLine($"I want you to think of a number between 0 and { this.MaximumNumber }. Ok?");
+            Console.ReadLine();
+        }
+
+        /// <summary>
+        /// Asks the user a series of questions to discover the number they are thinking of
+        /// </summary>
+        public void DiscoverNumber()
+        {
+            // Clear variables to their initial values before a discovery
+            this.CurrentNumberOfGuesses = 0;
+            this.CurrentGuessMinimum = 0;
+            this.CurrentGuessMaximum = this.MaximumNumber / 2;
+
+            // While the guess isn't the same as the known maximum value
+            while (this.CurrentGuessMinimum != this.CurrentGuessMaximum)
+            {
+                // Increase guess amount (by 1)
+                this.CurrentNumberOfGuesses++;
+
+                // Ask the user if their number is between the guess range
+                Console.WriteLine($"Is your number between { this.CurrentGuessMinimum } and { this.CurrentGuessMaximum}?");
+                string response = Console.ReadLine();
+
+                // If the user confirmed their number is within the current range...
+                if (response?.ToLower().FirstOrDefault() == 'y')
+                {
+                    // We know the number is between guessFrom and guessTo
+                    // So set the new maximum number
+                    this.MaximumNumber = this.CurrentGuessMaximum;
+
+                    // Change the next guess range to be half of the new maximum range
+                    this.CurrentGuessMaximum = this.CurrentGuessMaximum - (this.CurrentGuessMaximum - this.CurrentGuessMinimum) / 2;
+                }
+                // The number is greater than guessMax and less than or equal to max
+                else
+                {
+                    // The new minimum is one above the old maximum
+                    this.CurrentGuessMinimum = this.CurrentGuessMaximum + 1;
+
+                    // Guess the bottom half of the new range
+                    int remainingDifference = this.MaximumNumber - this.CurrentGuessMaximum;
+
+                    // Set the guess max to half way between the guessMin and max
+                    // NOTE: Math.Ceiling will round up the remaining difference to 2, if the difference is 3
+                    this.CurrentGuessMaximum += (int)Math.Ceiling(remainingDifference / 2f);
+                }
+
+                // If we only have 2 numbers left, guess one of them
+                if (this.CurrentGuessMinimum + 1 == this.MaximumNumber)
+                {
+                    // Increase guess amount (by 1)
+                    this.CurrentNumberOfGuesses++;
+
+                    // Ask the user if their number is the lower number
+                    Console.WriteLine($"Is your number { this.CurrentGuessMinimum }?");
+                    response = Console.ReadLine();
+
+                    // If the user confirmed their number is the lower number...
+                    if (response?.ToLower().FirstOrDefault() == 'y')
+                    {
+                        break;
+                    }
+                    else
+                    {
+                        // That means the number must be the higher of the two
+                        this.CurrentGuessMinimum = this.MaximumNumber;
+                        break;
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// Annouces the number the user was thinking of and the number of guesses it took
+        /// </summary>
+        public void AnnounceResults()
+        {
+            // Tell the user their number
+            Console.WriteLine($"** Your number is { this.CurrentGuessMinimum } **");
+
+            // Let the user know how many guesses it took
+            Console.WriteLine($"Guessed in { this.CurrentNumberOfGuesses } guesses");
+
+            Console.ReadLine();
+        }
+
+        #endregion
+    }
+}