Binary File Reading through FileStream : FileStream : File Directory Stream C# Examples

    
using  System;
using  System.Collections.Generic;
using  System.ComponentModel;
using  System.Data;
using  System.Drawing;
using  System.Text;
using  System.Windows.Forms;
using  System.IO;

public  class  MainClass  {
        public  static  void  Main()  {
                int  nCols  =  16;
                FileStream  inStream  =  new  FileStream("c:\\a.txt",  FileMode.Open,  FileAccess.Read);
                long  nBytesToRead  =  inStream.Length;
                if  (nBytesToRead  >  65536  /  4)
                        nBytesToRead  =  65536  /  4;
                int  nLines  =  (int)(nBytesToRead  /  nCols)  +  1;
                string[]  lines  =  new  string[nLines];
                int  nBytesRead  =  0;
                for  (int  i  =  0;  i  <  nLines;  i++)  {
                        StringBuilder  nextLine  =  new  StringBuilder();
                        nextLine.Capacity  =  4  *  nCols;
                        for  (int  j  =  0;  j  <  nCols;  j++)  {
                                int  nextByte  =  inStream.ReadByte();
                                nBytesRead++;
                                if  (nextByte  <  0  ||  nBytesRead  >  65536)
                                        break;
                                char  nextChar  =  (char)nextByte;
                                if  (nextChar  <  16)
                                        nextLine.Append("  x0"  +  string.Format("{0,1:X}",  (int)nextChar));
                                else  if
                                        (char.IsLetterOrDigit(nextChar)  ||  char.IsPunctuation(nextChar))
                                        nextLine.Append("    "  +  nextChar  +  "  ");
                                else
                                        nextLine.Append("  x"  +  string.Format("{0,2:X}",  (int)nextChar));
                        }
                }
                inStream.Close();


        }
}