Filing in C# WPF Application

Download Source Code: FileCode
Xaml :

<Window x:Class="FileHandling.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <TextBox Height="23" HorizontalAlignment="Left" Margin="190,106,0,0" Name="filedatatxt" VerticalAlignment="Top" Width="120" />
        <Button Content="Write Text" Height="23" HorizontalAlignment="Left" Margin="235,135,0,0" Name="writeBtn" VerticalAlignment="Top" Width="75" Click="writeBtn_Click" />
    </Grid>
</Window>

C#:

using System;

using System.IO;

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;

namespace FileHandling

{

    /// <summary>

    /// Interaction logic for MainWindow.xaml

    /// </summary>

    public partial class MainWindow : Window

    {

        public MainWindow()

        {

            InitializeComponent();

            // Reading from file which is located in debug folder

            // Begins

            string[] lines = File.ReadAllLines("Highscore.txt");

            foreach (string tempLines in lines) {

                MessageBox.Show(tempLines);

            }

            // Ends

        }

        private void writeBtn_Click(object sender, RoutedEventArgs e)

        {

            StreamWriter writeFile = new StreamWriter("Highscore.txt",true);

            writeFile.WriteLine(filedatatxt.Text);

            writeFile.Close();

        }

    }

}