Banan/WpfApp2/MainWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
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;
using word = Microsoft.Office.Interop.Word;

namespace WpfApp2
{
    /// <summary>
    /// Логика взаимодействия для MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        bool CheckVvod(string input)
        {
            return !string.IsNullOrEmpty(input)&&!Regex.IsMatch(input, @"[а-яА-Я]");
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {

            
            try
            {
                string q1 = Kol1.Text;
                string q2 = Kol2.Text;
                string SumZa = SumZach.Text;
                int sum;
                int number1, number2;
                bool num1 = int.TryParse(q1, out number1);
                bool num2 = int.TryParse(q2, out number2);
                if (!CheckVvod(q1)&&!CheckVvod(q2)&&!CheckVvod(SumZa))
                {
                    MessageBox.Show("Не все поля корректно заполнены!");
                }
                else
                {
                    if (num1 && num2)
                    {
                        if (int.TryParse(SumZa, out sum))
                        {
                            int summa = number1 * 45 + number2 * 115;
                            int sdacha = sum - summa;
                            SumZak.Text = summa.ToString();

                            if (sdacha < 0)
                            {
                                MessageBox.Show("Недостаточно средств!");
                            }
                            else
                            {
                                CashBack.Text = sdacha.ToString();
                            }
                        }
                    }
                }

                   

                
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            

        }

        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            word.Document document = null;
            word.Application app = new word.Application();
            string putword = Environment.CurrentDirectory.ToString() + @"\Квитанция.docx";
            document = app.Documents.Add(putword);
            document.Activate();
            word.Bookmarks bookm = document.Bookmarks;
            word.Range range;
            string dateNow = DateTime.Now.ToString();
            string q1 = Kol1.Text;
            string q2 = Kol2.Text;
            string SumZa = SumZach.Text;
            string number = "1";
            string sumZakaz = SumZak.Text;
            string sdacha = CashBack.Text;
            string[] data = new string[7] { SumZa, dateNow, sumZakaz, number, q2,  q1, sdacha };
            int i = 0;
            foreach (word.Bookmark mark in bookm)
            {
                range = mark.Range;
                range.Text = data[i];
                i++;
            }
            document.SaveAs2(Environment.CurrentDirectory.ToString() + @"\Квитанция.docx");
            MessageBox.Show("Чек сохранен по пути: " + Environment.CurrentDirectory.ToString());
            document.Close();
            document = null;

        }
    }
}