如何使用 System.IO 和 Visual C

using System;using System.IO;using System.Collections;namespace TextFileReader_csharp{/// <summary>/// Summary description for Class1./// </summary>class Class1{static void Main(string[] args){StreamReader objReader = new StreamReader("c:\\test.txt");string sLine="";ArrayList arrText = new ArrayList();while (sLine != null){sLine = objReader.ReadLine();if (sLine != null)arrText.Add(sLine);}objReader.Close();foreach (string sOutput in arrText)Console.WriteLine(sOutput);Console.ReadLine();}}}