1
class LogWriter2

{3
private static string path = Application.StartupPath + "\\log.txt";4
static LogWriter()5

{6

7
if (!File.Exists(path))8

{9
FileStream fs = File.Create(path);10
fs.Close();11
}12

13
Log("Log Start:");14
}15

16
public static void Log(string str)17

{18
StreamWriter sw = File.AppendText(path);19
sw.WriteLine(DateTime.Now.ToLongTimeString() + ": " + str);20
sw.Close();21
}22

23
public static void Error(string str)24

{25
StreamWriter sw = File.AppendText(path);26
sw.WriteLine(DateTime.Now.ToLongTimeString() + ": Error " + str);27
sw.Close();28
}29
}