everlight.eap/backend/AutoUpdate/MAutoUpdate/LogTool.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Text;

namespace MAutoUpdate
{
    public static class LogTool
    {
        static string temp = AppDomain.CurrentDomain.BaseDirectory + "/logs";
        public static void AddLog(String value)
        {
            try
            {
                Debug.WriteLine(value);
                if (Directory.Exists(Path.Combine(temp, @"update\")) == false)
                {
                    DirectoryInfo directoryInfo = new DirectoryInfo(Path.Combine(temp, @"update\"));
                    directoryInfo.Create();
                }
                using (StreamWriter sw = File.AppendText(Path.Combine(temp, @"update\update.log")))
                {
                    sw.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
                    sw.WriteLine(value);
                    sw.WriteLine();
                }
            }
            catch
            {
            }
        }
    }
}