A FileReader : StreamReader « File Directory Stream « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. File Directory Stream
3. StreamReader

To perform character-based file operations, you wrap a FileStream inside either a StreamReader or a StreamWriter.

using System; 
using System.IO;  
 
class MainClass { 
  public static void Main() { 
    FileStream fin; 
    string s; 
 
    try { 
      fin = new FileStream("test.txt", FileMode.Open); 
    } 
    catch(FileNotFoundException exc) { 
      Console.WriteLine(exc.Message + "Cannot open file."); 
      return ; 
    }  
 
    StreamReader fstr_in = new StreamReader(fin); 
 
    // Read the file line-by-line. 
    while((s = fstr_in.ReadLine()) != null) { 
      Console.WriteLine(s); 
    } 
 
    fstr_in.Close(); 
  } 
}

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