using System;
using System.IO;

public class Test002
{
    public static void Main()
    {
        string basePath = AppDomain.CurrentDomain.SetupInformation.ApplicationBase;
        string textPath = Path.Combine(basePath, "hoge.txt");
        File.WriteAllText(textPath, "ほげ");
        Console.WriteLine(File.ReadAllText(textPath));
    }
}