PraktikaPoslednyayaChast/Praktika3/MainWindow.xaml.cs

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 Praktika3
{
    /// <summary>
    /// Логика взаимодействия для MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        public void ClearTextBox()
        {
            lblFirst.Text = "";
            lblSecond.Text = "";
            lblAction.Text = "";
            lblResult.Text = "";
        }

        private void btnClear_Click(object sender, RoutedEventArgs e)
        {
            ClearTextBox();
        }

        private void btnPlus_Click(object sender, RoutedEventArgs e)
        {
            lblAction.Text = "+";
        }

        private void btnMinus_Click(object sender, RoutedEventArgs e)
        {
            lblAction.Text = "-";
        }

        private void btnMult_Click(object sender, RoutedEventArgs e)
        {
            lblAction.Text = "*";
        }

        private void btn8642_Click(object sender, RoutedEventArgs e)
        {
            String s = Convert.ToString(lblFirst.Text);
            string[] arr = s.Split('.');
            int dvoich;
            int vosmerich;
            int b;
            int c;
            if (proverkaSimv4(Convert.ToString(lblFirst.Text)))
            {
                b = int.Parse(Convert.ToString(arr[2]));
                c = int.Parse(Convert.ToString(arr[1]));
                string chetverich = "";
                do
                {
                    chetverich = string.Concat(Convert.ToInt32(b % 4), chetverich);
                    b /= 4;
                } while (b > 0);
                string shesterich = "";
                do
                {
                    shesterich = string.Concat(Convert.ToInt32(c % 6), shesterich);
                    c /= 6;
                } while (c > 0);
                dvoich = int.Parse(Convert.ToString(arr[3]));
                vosmerich = int.Parse(Convert.ToString(arr[0]));
                lblFirst.Text = string.Concat(Convert.ToString(vosmerich, 8), '.', shesterich, '.', chetverich, '.', Convert.ToString(dvoich, 2));
            }
        }

        private void btn8642Back_Click(object sender, RoutedEventArgs e)
        {
            String s = Convert.ToString(lblFirst.Text);
            string[] arr = s.Split('.');
            if (proverkaSimv8forfirst(Convert.ToString(lblFirst.Text)))
            {

                char[] arr2 = arr[3].ToCharArray();
                int res = 0;
                for (int i = 0; i < arr2.Length; i++)
                {
                    res += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr2[i])) * Math.Pow(2, arr2.Length - i - 1));
                }
                char[] arr3 = arr[2].ToCharArray();
                int res2 = 0;
                for (int i = 0; i < arr3.Length; i++)
                {
                    res2 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr3[i])) * Math.Pow(4, arr3.Length - i - 1));
                }
                char[] arr4 = arr[1].ToCharArray();
                int res3 = 0;
                for (int i = 0; i < arr4.Length; i++)
                {
                    res3 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr4[i])) * Math.Pow(6, arr4.Length - i - 1));
                }
                char[] arr5 = arr[0].ToCharArray();
                int res4 = 0;
                for (int i = 0; i < arr5.Length; i++)
                {
                    res4 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr5[i])) * Math.Pow(8, arr5.Length - i - 1));
                }
                lblFirst.Text = String.Concat(res4, '.', res3, '.', res2, '.', res);
            }
        }

        private void btn10_Click(object sender, RoutedEventArgs e)
        {
            String s = Convert.ToString(lblSecond.Text);
            string[] arr = s.Split('.');
            if (proverkaSimv8(Convert.ToString(lblSecond.Text)))
            {

                char[] arr2 = arr[3].ToCharArray();
                int res = 0;
                for (int i = 0; i < arr2.Length; i++)
                {
                    res += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr2[i])) * Math.Pow(2, arr2.Length - i - 1));
                }
                char[] arr3 = arr[2].ToCharArray();
                int res2 = 0;
                for (int i = 0; i < arr3.Length; i++)
                {
                    res2 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr3[i])) * Math.Pow(4, arr3.Length - i - 1));
                }
                char[] arr4 = arr[1].ToCharArray();
                int res3 = 0;
                for (int i = 0; i < arr4.Length; i++)
                {
                    res3 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr4[i])) * Math.Pow(6, arr4.Length - i - 1));
                }
                char[] arr5 = arr[0].ToCharArray();
                int res4 = 0;
                for (int i = 0; i < arr5.Length; i++)
                {
                    res4 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr5[i])) * Math.Pow(8, arr5.Length - i - 1));
                }
                lblSecond.Text = String.Concat(res4, '.', res3, '.', res2, '.', res);
            }
        }

        private void btn10Back_Click(object sender, RoutedEventArgs e)
        {
            String s = Convert.ToString(lblSecond.Text);
            string[] arr = s.Split('.');
            int dvoich;
            int vosmerich;
            int b;
            int c;
            if (proverkaSimv4forsecond(Convert.ToString(lblSecond.Text)))
            {
                b = int.Parse(Convert.ToString(arr[2]));
                c = int.Parse(Convert.ToString(arr[1]));
                string chetverich = "";
                do
                {
                    chetverich = string.Concat(Convert.ToInt32(b % 4), chetverich);
                    b /= 4;
                } while (b > 0);
                string shesterich = "";
                do
                {
                    shesterich = string.Concat(Convert.ToInt32(c % 6), shesterich);
                    c /= 6;
                } while (c > 0);
                dvoich = int.Parse(Convert.ToString(arr[3]));
                vosmerich = int.Parse(Convert.ToString(arr[0]));
                lblSecond.Text = string.Concat(Convert.ToString(vosmerich, 8), '.', shesterich, '.', chetverich, '.', Convert.ToString(dvoich, 2));
            }
        }

        private void btnAnswer10_Click(object sender, RoutedEventArgs e)
        {
            String s = Convert.ToString(lblSecond.Text);
            string ss = Convert.ToString(lblFirst.Text);
            string[] arr = s.Split('.');
            string[] arr6 = ss.Split('.');
            string first;
            string second;
            string operation = Convert.ToString(lblAction.Text);
            if (proverkaSimv108(Convert.ToString(lblFirst.Text), Convert.ToString(lblSecond.Text)))
            {
                char[] arr2 = arr[3].ToCharArray();
                int res = 0;
                for (int i = 0; i < arr2.Length; i++)
                {
                    res += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr2[i])) * Math.Pow(2, arr2.Length - i - 1));
                }
                char[] arr3 = arr[2].ToCharArray();
                int res2 = 0;
                for (int i = 0; i < arr3.Length; i++)
                {
                    res2 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr3[i])) * Math.Pow(4, arr3.Length - i - 1));
                }
                char[] arr4 = arr[1].ToCharArray();
                int res3 = 0;
                for (int i = 0; i < arr4.Length; i++)
                {
                    res3 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr4[i])) * Math.Pow(6, arr4.Length - i - 1));
                }
                char[] arr5 = arr[0].ToCharArray();
                int res4 = 0;
                for (int i = 0; i < arr5.Length; i++)
                {
                    res4 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr5[i])) * Math.Pow(8, arr5.Length - i - 1));
                }
                second = string.Concat(res4, res3, res2, res);
                first = string.Concat(arr6[0], arr6[1], arr6[2], arr6[3]);
                if (string.IsNullOrEmpty(operation))
                {
                    MessageBox.Show("Операция не выбрана");
                }
                else
                {
                    switch (operation)
                    {
                        case "+":
                            lblResult.Text = Addition(first, second);
                            break;
                        case "-":
                            lblResult.Text = Substraction(first, second);
                            break;
                        case "*":
                            lblResult.Text = Multiplication(first, second);
                            break;
                        default:
                            break;
                    }
                }
            }
        }
        private void btnAnswer8642_Click(object sender, RoutedEventArgs e)
        {
            //Объявление переменных, массивов
            String s;
            string ss;
            string[] arr;
            string[] arr6;
            string answer;
            String sss;
            string[] arr7;
            int dvoich;
            int vosmerich;
            int b;
            int c;
            string operation;
            if (proverkaSimv108(Convert.ToString(lblFirst.Text), Convert.ToString(lblSecond.Text)))//Проверка на символы
            {
                s = Convert.ToString(lblSecond.Text);
                ss = Convert.ToString(lblFirst.Text);
                arr = s.Split('.');
                arr6 = ss.Split('.');
                operation = Convert.ToString(lblAction.Text);

                //Перевод второго числа в десятичную систему 
                char[] arr2 = arr[3].ToCharArray();
                int res = 0;
                for (int i = 0; i < arr2.Length; i++)
                {
                    res += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr2[i])) * Math.Pow(2, arr2.Length - i - 1));
                }
                char[] arr3 = arr[2].ToCharArray();
                int res2 = 0;
                for (int i = 0; i < arr3.Length; i++)
                {
                    res2 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr3[i])) * Math.Pow(4, arr3.Length - i - 1));
                }
                char[] arr4 = arr[1].ToCharArray();
                int res3 = 0;
                for (int i = 0; i < arr4.Length; i++)
                {
                    res3 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr4[i])) * Math.Pow(6, arr4.Length - i - 1));
                }
                char[] arr5 = arr[0].ToCharArray();
                int res4 = 0;
                for (int i = 0; i < arr5.Length; i++)
                {
                    res4 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr5[i])) * Math.Pow(8, arr5.Length - i - 1));
                }
                if (string.IsNullOrEmpty(operation))
                {
                    MessageBox.Show("Операция не выбрана");
                }
                else
                {
                    switch (operation)
                    {
                        case "+":
                            lblResult.Text = string.Concat(res4 + Convert.ToInt32(arr6[0]), '.', res3 + Convert.ToInt32(arr6[1]), '.', res2 + Convert.ToInt32(arr6[2]), '.', res + Convert.ToInt32(arr6[3]));
                            break;
                        case "-":
                            lblResult.Text = string.Concat(res4 - Convert.ToInt32(arr6[0]), '.', res3 - Convert.ToInt32(arr6[1]), '.', res2 - Convert.ToInt32(arr6[2]), '.', res - Convert.ToInt32(arr6[3]));
                            break;
                        case "*":
                            lblResult.Text = string.Concat(res4 * Convert.ToInt32(arr6[0]), '.', res3 * Convert.ToInt32(arr6[1]), '.', res2 * Convert.ToInt32(arr6[2]), '.', res * Convert.ToInt32(arr6[3]));
                            break;

                    }

                    if (lblResult.Text.Length == 7)
                    {
                        sss = lblResult.Text;
                        arr7 = sss.Split('.');
                        if (proverkaSimv4(Convert.ToString(sss)))
                        {
                            b = int.Parse(Convert.ToString(arr7[2]));
                            c = int.Parse(Convert.ToString(arr7[1]));
                            string chetverich = "";
                            do
                            {
                                chetverich = string.Concat(Convert.ToInt32(b % 4), chetverich);
                                b /= 4;
                            } while (b > 0);
                            string shesterich = "";
                            do
                            {
                                shesterich = string.Concat(Convert.ToInt32(c % 6), shesterich);
                                c /= 6;
                            } while (c > 0);
                            dvoich = int.Parse(Convert.ToString(arr7[3]));
                            vosmerich = int.Parse(Convert.ToString(arr7[0]));
                            lblResult.Text = string.Concat(Convert.ToString(vosmerich, 8), shesterich, chetverich, Convert.ToString(dvoich, 2));
                        }
                    }
                    else
                    {
                        MessageBox.Show("Число не 4-х значное. Перевод в систему невозможен");
                    }
                }

            }

        }

        private bool proverkaSimv4(string lb_str)
        {

            string proverkasimv = Convert.ToString(lb_str);
            if (proverkasimv.Contains(".."))
            {
                MessageBox.Show("Неверный формат");
                return false;
            }
            else if (string.IsNullOrEmpty(proverkasimv))
            {
                MessageBox.Show("Первое число не указано");
            }
            for (int i = 0; i < proverkasimv.Length; i++)
            {
                if (proverkasimv[i] >= '0' && proverkasimv[i] <= '9' || proverkasimv[i] == '.')
                {
                    if (proverkasimv.Length == 7)
                    {
                        return true;
                    }
                    else if (lb_str.Length > 7 || lb_str.Length < 6)
                    {
                        MessageBox.Show("Можно использовать только 4-х значные числа");
                        return false;
                    }
                }
                else
                {
                    MessageBox.Show("Неверный формат");
                    return false;
                }
            }
            return false;

            //11 13 21 1001
        }
        private bool proverkaSimv4forsecond(string lb_str)
        {

            string proverkasimv = Convert.ToString(lb_str);
            if (proverkasimv.Contains(".."))
            {
                MessageBox.Show("Неверный формат");
                return false;
            }
            else if (string.IsNullOrEmpty(proverkasimv))
            {
                MessageBox.Show("Второе число не указано");
            }
            for (int i = 0; i < proverkasimv.Length; i++)
            {
                if (proverkasimv[i] >= '0' && proverkasimv[i] <= '9' || proverkasimv[i] == '.')
                {
                    if (proverkasimv.Length == 7)
                    {
                        return true;
                    }
                    else if (lb_str.Length > 7 || lb_str.Length < 6)
                    {
                        MessageBox.Show("Можно использовать только 4-х значные числа");
                        return false;
                    }
                }
                else
                {
                    MessageBox.Show("Неверный формат");
                    return false;
                }
            }
            return false;
        }
        private bool proverkaSimv8(string lb_str)
        {

            string proverkasimv = Convert.ToString(lb_str);
            if (proverkasimv.Contains(".."))
            {
                MessageBox.Show("Неверный формат");
                return false;
            }
            else if (string.IsNullOrEmpty(proverkasimv))
            {
                MessageBox.Show("Второе число не указано");
            }
            for (int i = 0; i < proverkasimv.Length; i++)
            {
                if (proverkasimv[i] >= '0' && proverkasimv[i] <= '9' || proverkasimv[i] == '.')
                {
                    if (proverkasimv.Length <= 14 && proverkasimv.Length >= 7)
                    {
                        return true;
                    }
                    else if (lb_str.Length > 14 || lb_str.Length < 8)
                    {
                        MessageBox.Show("Можно использовать только 4-х значные числа");
                        return false;
                    }
                }
                else
                {
                    MessageBox.Show("Неверный формат");
                    return false;
                }
            }
            return false;
        }
        private bool proverkaSimv8forfirst(string lb_str)
        {

            string proverkasimv = Convert.ToString(lb_str);
            if (proverkasimv.Contains(".."))
            {
                MessageBox.Show("Неверный формат");
                return false;
            }
            else if (string.IsNullOrEmpty(proverkasimv))
            {
                MessageBox.Show("Первое число не указано");
            }
            for (int i = 0; i < proverkasimv.Length; i++)
            {
                if (proverkasimv[i] >= '0' && proverkasimv[i] <= '9' || proverkasimv[i] == '.')
                {
                    if (proverkasimv.Length <= 14 && proverkasimv.Length >= 7)
                    {
                        return true;
                    }
                    else if (lb_str.Length > 14 || lb_str.Length < 8)
                    {
                        MessageBox.Show("Можно использовать только 4-х значные числа");
                        return false;
                    }
                }
                else
                {
                    MessageBox.Show("Неверный формат");
                    return false;
                }
            }
            return false;
        }

        private bool proverkaSimv108(string lb_str, string lb_str2)
        {
            string proverkasimv = Convert.ToString(lb_str);
            string proverkasimv2 = Convert.ToString(lb_str2);
            if (proverkasimv.Contains("..") && proverkasimv2.Contains(".."))
            {
                MessageBox.Show("Неверный формат");
                return false;
            }
            else if (String.IsNullOrEmpty(proverkasimv))
            {
                MessageBox.Show("Первое число не указано");
                return false;
            }
            else if (String.IsNullOrEmpty(proverkasimv2))
            {
                MessageBox.Show("Второе число не указано");
                return false;
            }
            for (int i = 0; i < proverkasimv.Length; i++)
            {
                for (int j = 0; j < proverkasimv2.Length; j++)
                {
                    if (proverkasimv[i] >= '0' && proverkasimv[i] <= '9' || proverkasimv[i] == '.' && proverkasimv2[j] >= '0' && proverkasimv2[j] <= '9' || proverkasimv2[j] == '.')
                    {
                        if (proverkasimv.Length <= 14 && proverkasimv.Length >= 7 && proverkasimv2.Length <= 14 && proverkasimv2.Length >= 7 || proverkasimv.Length == 7 && proverkasimv2.Length == 7)
                        {
                            return true;
                        }
                        else if (proverkasimv.Length > 14 || proverkasimv.Length < 6 && proverkasimv2.Length > 14 || proverkasimv2.Length < 6)
                        {
                            MessageBox.Show("Можно использовать только 4-х значные числа");
                            return false;
                        }
                    }
                    else
                    {
                        MessageBox.Show("Неверный формат");
                        return false;
                    }
                }
            }
            return false;
        }


        public static string Addition(string first, string second)
        {
            try
            {
                return (Convert.ToInt32(first) + Convert.ToInt32(second)).ToString();
            }
            catch
            {
                return "";
            }
        }
        public static string Substraction(string first, string second)
        {
            try
            {
                return (Convert.ToInt32(first) - Convert.ToInt32(second)).ToString();
            }
            catch
            {
                return "";
            }
        }
        public static string Multiplication(string first, string second)
        {
            try
            {
                return (Convert.ToInt32(first) * Convert.ToInt32(second)).ToString();
            }
            catch
            {
                return "";
            }
        }


        public bool btn8642_ClickTest(string chisloOne)
        {
            String s = chisloOne;
            string[] arr = s.Split('.');
            int dvoich;
            int vosmerich;
            int b;
            int c;
            if (proverkaSimv4(Convert.ToString(chisloOne)))
            {
                b = int.Parse(Convert.ToString(arr[2]));
                c = int.Parse(Convert.ToString(arr[1]));
                string chetverich = "";
                do
                {
                    chetverich = string.Concat(Convert.ToInt32(b % 4), chetverich);
                    b /= 4;
                } while (b > 0);
                string shesterich = "";
                do
                {
                    shesterich = string.Concat(Convert.ToInt32(c % 6), shesterich);
                    c /= 6;
                } while (c > 0);
                dvoich = int.Parse(Convert.ToString(arr[3]));
                vosmerich = int.Parse(Convert.ToString(arr[0]));
                return true;
            }
            return false;
        }

        public bool btn8642Back_ClickTest(string chisloOne)
        {
            String s = chisloOne;
            string[] arr = s.Split('.');
            if (proverkaSimv8forfirst(chisloOne))
            {

                char[] arr2 = arr[3].ToCharArray();
                int res = 0;
                for (int i = 0; i < arr2.Length; i++)
                {
                    res += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr2[i])) * Math.Pow(2, arr2.Length - i - 1));
                }
                char[] arr3 = arr[2].ToCharArray();
                int res2 = 0;
                for (int i = 0; i < arr3.Length; i++)
                {
                    res2 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr3[i])) * Math.Pow(4, arr3.Length - i - 1));
                }
                char[] arr4 = arr[1].ToCharArray();
                int res3 = 0;
                for (int i = 0; i < arr4.Length; i++)
                {
                    res3 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr4[i])) * Math.Pow(6, arr4.Length - i - 1));
                }
                char[] arr5 = arr[0].ToCharArray();
                int res4 = 0;
                for (int i = 0; i < arr5.Length; i++)
                {
                    res4 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr5[i])) * Math.Pow(8, arr5.Length - i - 1));
                }
                return true;
            }
            return false;
        }

        public bool btn10_ClickTest(string chisloTwo)
        {
            String s = chisloTwo;
            string[] arr = s.Split('.');
            if (proverkaSimv8(chisloTwo))
            {

                char[] arr2 = arr[3].ToCharArray();
                int res = 0;
                for (int i = 0; i < arr2.Length; i++)
                {
                    res += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr2[i])) * Math.Pow(2, arr2.Length - i - 1));
                }
                char[] arr3 = arr[2].ToCharArray();
                int res2 = 0;
                for (int i = 0; i < arr3.Length; i++)
                {
                    res2 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr3[i])) * Math.Pow(4, arr3.Length - i - 1));
                }
                char[] arr4 = arr[1].ToCharArray();
                int res3 = 0;
                for (int i = 0; i < arr4.Length; i++)
                {
                    res3 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr4[i])) * Math.Pow(6, arr4.Length - i - 1));
                }
                char[] arr5 = arr[0].ToCharArray();
                int res4 = 0;
                for (int i = 0; i < arr5.Length; i++)
                {
                    res4 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr5[i])) * Math.Pow(8, arr5.Length - i - 1));
                }
                return true;
            }
            return false;
        }

        public bool btn10Back_ClickTest(string chisloTwo)
        {
            String s = chisloTwo;
            string[] arr = s.Split('.');
            int dvoich;
            int vosmerich;
            int b;
            int c;
            if (proverkaSimv4forsecond(chisloTwo))
            {
                b = int.Parse(Convert.ToString(arr[2]));
                c = int.Parse(Convert.ToString(arr[1]));
                string chetverich = "";
                do
                {
                    chetverich = string.Concat(Convert.ToInt32(b % 4), chetverich);
                    b /= 4;
                } while (b > 0);
                string shesterich = "";
                do
                {
                    shesterich = string.Concat(Convert.ToInt32(c % 6), shesterich);
                    c /= 6;
                } while (c > 0);
                dvoich = int.Parse(Convert.ToString(arr[3]));
                vosmerich = int.Parse(Convert.ToString(arr[0]));
                return true;
            }
            return false;

        }

        public bool btnAnswer10_ClickTest(string chisloOne, string chisloTwo, string operations)
        {
            String s = chisloTwo;
            string ss = chisloOne;
            string[] arr = s.Split('.');
            string[] arr6 = ss.Split('.');
            string first;
            string second;
            string operation = operations;
            if (proverkaSimv108(chisloOne, chisloTwo))
            {
                char[] arr2 = arr[3].ToCharArray();
                int res = 0;
                for (int i = 0; i < arr2.Length; i++)
                {
                    res += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr2[i])) * Math.Pow(2, arr2.Length - i - 1));
                }
                char[] arr3 = arr[2].ToCharArray();
                int res2 = 0;
                for (int i = 0; i < arr3.Length; i++)
                {
                    res2 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr3[i])) * Math.Pow(4, arr3.Length - i - 1));
                }
                char[] arr4 = arr[1].ToCharArray();
                int res3 = 0;
                for (int i = 0; i < arr4.Length; i++)
                {
                    res3 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr4[i])) * Math.Pow(6, arr4.Length - i - 1));
                }
                char[] arr5 = arr[0].ToCharArray();
                int res4 = 0;
                for (int i = 0; i < arr5.Length; i++)
                {
                    res4 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr5[i])) * Math.Pow(8, arr5.Length - i - 1));
                }
                second = string.Concat(res4, res3, res2, res);
                first = string.Concat(arr6[0], arr6[1], arr6[2], arr6[3]);
                if (string.IsNullOrEmpty(operation))
                {
                    MessageBox.Show("Операция не выбрана");
                }
                else
                {
                    switch (operation)
                    {
                        case "+":
                            lblResult.Text = Addition(first, second);
                            return true;
                        case "-":
                            lblResult.Text = Substraction(first, second);
                            return true;
                        case "*":
                            lblResult.Text = Multiplication(first, second);
                            return true;
                        default:
                            break;
                    }
                }
            }
            return false;
        }
        public bool btnAnswer8642_ClickTest(string chisloOne, string chisloTwo, string operations)
        {
            //Объявление переменных, массивов
            String s;
            string ss;
            string[] arr;
            string[] arr6;
            string answer;
            String sss;
            string[] arr7;
            int dvoich;
            int vosmerich;
            int b;
            int c;
            string operation;
            if (proverkaSimv108(chisloOne, chisloTwo))//Проверка на символы
            {
                s = Convert.ToString(chisloTwo);
                ss = Convert.ToString(chisloOne);
                arr = s.Split('.');
                arr6 = ss.Split('.');
                operation = Convert.ToString(operations);

                //Перевод второго числа в десятичную систему 
                char[] arr2 = arr[3].ToCharArray();
                int res = 0;
                for (int i = 0; i < arr2.Length; i++)
                {
                    res += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr2[i])) * Math.Pow(2, arr2.Length - i - 1));
                }
                char[] arr3 = arr[2].ToCharArray();
                int res2 = 0;
                for (int i = 0; i < arr3.Length; i++)
                {
                    res2 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr3[i])) * Math.Pow(4, arr3.Length - i - 1));
                }
                char[] arr4 = arr[1].ToCharArray();
                int res3 = 0;
                for (int i = 0; i < arr4.Length; i++)
                {
                    res3 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr4[i])) * Math.Pow(6, arr4.Length - i - 1));
                }
                char[] arr5 = arr[0].ToCharArray();
                int res4 = 0;
                for (int i = 0; i < arr5.Length; i++)
                {
                    res4 += Convert.ToInt32(Convert.ToInt32(Convert.ToString(arr5[i])) * Math.Pow(8, arr5.Length - i - 1));
                }
                if (string.IsNullOrEmpty(operation))
                {
                    MessageBox.Show("Операция не выбрана");
                }
                else
                {
                    switch (operation)
                    {
                        case "+":
                            lblResult.Text = string.Concat(res4 + Convert.ToInt32(arr6[0]), '.', res3 + Convert.ToInt32(arr6[1]), '.', res2 + Convert.ToInt32(arr6[2]), '.', res + Convert.ToInt32(arr6[3]));
                            break;
                        case "-":
                            lblResult.Text = string.Concat(res4 - Convert.ToInt32(arr6[0]), '.', res3 - Convert.ToInt32(arr6[1]), '.', res2 - Convert.ToInt32(arr6[2]), '.', res - Convert.ToInt32(arr6[3]));
                            break;
                        case "*":
                            lblResult.Text = string.Concat(res4 * Convert.ToInt32(arr6[0]), '.', res3 * Convert.ToInt32(arr6[1]), '.', res2 * Convert.ToInt32(arr6[2]), '.', res * Convert.ToInt32(arr6[3]));
                            break;

                    }

                    if (lblResult.Text.Length == 7)
                    {
                        sss = lblResult.Text;
                        arr7 = sss.Split('.');
                        if (proverkaSimv4(Convert.ToString(sss)))
                        {
                            b = int.Parse(Convert.ToString(arr7[2]));
                            c = int.Parse(Convert.ToString(arr7[1]));
                            string chetverich = "";
                            do
                            {
                                chetverich = string.Concat(Convert.ToInt32(b % 4), chetverich);
                                b /= 4;
                            } while (b > 0);
                            string shesterich = "";
                            do
                            {
                                shesterich = string.Concat(Convert.ToInt32(c % 6), shesterich);
                                c /= 6;
                            } while (c > 0);
                            dvoich = int.Parse(Convert.ToString(arr7[3]));
                            vosmerich = int.Parse(Convert.ToString(arr7[0]));
                            return true;
                        }
                    }
                    else
                    {
                        MessageBox.Show("Число не 4-х значное. Перевод в систему невозможен");
                        return false;
                    }
                }

            }
            return false;
        }
    }
}