using System;
using System.IO;
public class SWBuff
{
public static void Main(String[] args)
{
string logFile = "a.log";
string fileName = "a.log";
string textToAdd = "asdf";
StreamWriter swFromFileTrue = new StreamWriter(fileName,true);
swFromFileTrue.Write(textToAdd);
swFromFileTrue.Flush();
swFromFileTrue.Close();
}
}