Filestream 向文件插入多行語句

[david0620]

如何使用FileStream中的StreamWriter來向一個空文件中插入像下面這樣的數據。
1.txt:
c:
cd\
net use m: \\服務器\ShareDirectory pwd /user:user

一共三條語句

[GTX280]

   FileStream fs = new FileStream(@"C:\1.txt", FileMode.OpenOrCreate, FileAccess.ReadWrite);
            StreamWriter sw = new StreamWriter(fs);
            sw.WriteLine("C:");
            sw.WriteLine(@"cd\");
            sw.WriteLine(@"net use m: \\服務器\ShareDirectory  pwd /user:user ");
            sw.Close();
            fs.Close();