КИ Лаб2 C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace lab2
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        //TIC TAC
        private List<Button> lstButtons = new List<Button>();
        private string nextChar = "X";
        private Color nextColor = Colors.Blue;
        private string[,] helperMatrix = new string[3, 3];

        //HANGMAN
        private List<UIElement> lstParts = new List<UIElement>();
        private List<Label> lstLetters = new List<Label>();
        private int counter = 0;
        private string[] words = { "bike", "mountain", "table", "computer" };
        private string currentWord = "";

        public MainWindow()
        {
            InitializeComponent();
            //TICTAC
            for (int i = 0; i < 9; i++)
            {
                helperMatrix[i / 3, i % 3] = "";
                lstButtons.Add(new Button());
                grid1.Children.Add(lstButtons[i]);
                lstButtons[i].SetValue(Grid.RowProperty, i / 3);
                lstButtons[i].SetValue(Grid.ColumnProperty, i % 3);
                lstButtons[i].Click += new RoutedEventHandler(Button_Click);
            }


            //HANGMAN
            lstParts.Add(head);
            lstParts.Add(body);
            lstParts.Add(leftLeg);
            lstParts.Add(rightLeg);
            lstParts.Add(leftArm);
            lstParts.Add(rightArm);
            hangManTab.KeyUp += new KeyEventHandler(hangManTab_KeyUp);
            ResetHangman();
        }

        private void ResetHangman()
        {
            Random rnd = new Random();
            foreach (UIElement ui in lstParts)
            {
                ui.Visibility = Visibility.Hidden;
                counter = 0;
            }
            pnlLetters.Children.Clear();
            lstLetters.Clear();
            currentWord = words[rnd.Next(words.Length)];
            for (int i = 0; i < currentWord.Length; i++)
            {
                Label lbl = new Label();
                lbl.BorderBrush = new SolidColorBrush(Colors.Black);
                lbl.BorderThickness = new Thickness(1);
                lbl.VerticalContentAlignment = System.Windows.VerticalAlignment.Top;
                lbl.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Center;
                lbl.FontSize = 30;
                lbl.Height = 50;
                lbl.Width = 40;
                lbl.Margin = new Thickness(2);
                lstLetters.Add(lbl);
                pnlLetters.Children.Add(lbl);
            }
        }

        private void hangManTab_KeyUp(object sender, KeyEventArgs e)
        {
            char key;
            Char.TryParse(e.Key.ToString(), out key);
            if (Char.IsLetter(key))
            {
                key = char.ToLower(key);
                if (currentWord.Contains(key))
                {
                    for (int i = 0; i < currentWord.Length; i++)
                    {
                        if (currentWord[i] == key)
                        {
                            lstLetters[i].Content = currentWord[i].ToString();
                        }
                    }
                }
                else
                {
                    if (counter < lstParts.Count)
                        lstParts[counter++].Visibility = Visibility.Visible;
                }
                if (IsWonHangman())
                {
                    MessageBox.Show("You won :)");
                    ResetHangman();
                }
                else if (IsOverHangman())
                {
                    MessageBox.Show("Game over :(");
                    ResetHangman();
                }
            }
        }

        private bool IsOverHangman()
        {
            Console.WriteLine(lstParts.Count);
            if (counter == 6)
            return true;
            return false;
        }
        private bool IsWonHangman()
        {

            foreach (Label lbl in lstLetters)
            {
                if (lbl.Content == null)
                    return false;
                else if (lbl.Content.ToString() == "")
                    return false;
            }
            return true;
        }

        private void Button_Click(object sender, RoutedEventArgs e) {
            Button btn = sender as Button;
            btn.IsEnabled = false;
            Label lbl = new Label();
            lbl.Content = nextChar;
            lbl.Foreground = new SolidColorBrush(nextColor);
            lbl.FontSize = 30;
            lbl.VerticalAlignment = System.Windows.VerticalAlignment.Center;
            lbl.HorizontalAlignment = System.Windows.HorizontalAlignment.Center;
            btn.Content = lbl;
            helperMatrix[(int) btn.GetValue(Grid.RowProperty), (int) btn.GetValue(Grid.ColumnProperty)] = nextChar;

            if(nextChar=="X"){
                nextChar = "O";
                nextColor = Colors.Red;
            }
            else{
                nextChar = "X";
                nextColor = Colors.Blue;
            }

            if (isWon()) {
                MessageBox.Show("Pobeda!");
                resetTic();
            }
            else if (isDraw()) {
                MessageBox.Show("Nereseno!");
                resetTic();
            }

        }

        private bool isWon() {
            bool won = false;

            if (helperMatrix[0, 0] != "" && helperMatrix[0, 1] != "" && helperMatrix[0, 2] != "" && helperMatrix[0, 0] == helperMatrix[0, 1] && helperMatrix[0, 1] == helperMatrix[0, 2]) { won = true; }
            if (helperMatrix[1, 0] != "" && helperMatrix[1, 1] != "" && helperMatrix[1, 2] != "" && helperMatrix[1, 0] == helperMatrix[1, 1] && helperMatrix[1, 1] == helperMatrix[1, 2]) { won = true; }
            if (helperMatrix[2, 0] != "" && helperMatrix[2, 1] != "" && helperMatrix[2, 2] != "" && helperMatrix[2, 0] == helperMatrix[2, 1] && helperMatrix[2, 1] == helperMatrix[2, 2]) { won = true; }

            if (helperMatrix[0, 0] != "" && helperMatrix[1, 0] != "" && helperMatrix[2, 0] != "" && helperMatrix[0, 0] == helperMatrix[1, 0] && helperMatrix[1, 0] == helperMatrix[2, 0]) { won = true; }
            if (helperMatrix[0, 1] != "" && helperMatrix[1, 1] != "" && helperMatrix[2, 1] != "" && helperMatrix[0, 1] == helperMatrix[1, 1] && helperMatrix[1, 1] == helperMatrix[2, 1]) { won = true; }
            if (helperMatrix[0, 2] != "" && helperMatrix[1, 2] != "" && helperMatrix[2, 2] != "" && helperMatrix[0, 2] == helperMatrix[1, 2] && helperMatrix[1, 2] == helperMatrix[2, 2]) { won = true; }

            if (helperMatrix[0, 0] != "" && helperMatrix[1, 1] != "" && helperMatrix[2, 2] != "" && helperMatrix[0, 0] == helperMatrix[1, 1] && helperMatrix[1, 1] == helperMatrix[2, 2]) { won = true; }
            if (helperMatrix[0, 2] != "" && helperMatrix[1, 1] != "" && helperMatrix[2, 0] != "" && helperMatrix[0, 2] == helperMatrix[1, 1] && helperMatrix[1, 1] == helperMatrix[2, 0]) { won = true; }

            return won;
        }

        private bool isDraw()
        {
            bool draw = true;

            for (int i = 0; i < 3; i++)
            {
                for (int j = 0; j < 3; j++) {
                    if (helperMatrix[i, j] == "") {
                        draw = false;
                        break;
                    }
                }

                if (draw == false)
                    break;
            }

                return draw;
        }

        private void resetTic() {
            foreach (Button btn in lstButtons)
            {
                btn.IsEnabled = true;
                btn.Content = "";
            }
            for (int i = 0; i < 3; i++)
                for (int j = 0; j < 3; j++)
                    helperMatrix[i, j] = "";
            nextChar = "X";
            nextColor = Colors.Blue;
        }

    }
}