using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
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 System.Threading;
using System.Windows.Threading;

namespace thread
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

        }
        void prime_num()
        {
            int num = 10000;
            bool isPrime = true;
            for (int i = 0; i <= num; i++)
            {
                Thread.Sleep(100); 
                for (int j = 2; j <= num; j++)
                {
                    if (i != j && i % j == 0)
                    {
                        isPrime = false;
                        break;
                    }
                }
                if (isPrime)
                {
                 ListBoxChange(listBoxPrime, i.ToString()) ;
                }
                isPrime = true;
            }
        }
        void ListBoxChange(ListBox b, string e)
        {
            this.Dispatcher.Invoke(DispatcherPriority.Normal, (Action)(() =>
            {
                b.Items.Add(e);
            }));

        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            Thread oThread = new Thread(new ThreadStart(prime_num));
            oThread.Start();
//            prime_num();
        }


    }
}