C# FileStream ReadByte
Description
FileStream ReadByte Reads a byte from the file and advances
the read position one byte.
Syntax
FileStream.ReadByte has the following syntax.
public override int ReadByte()
Returns
FileStream.ReadByte method returns The byte, cast to an Int32, or -1 if the end of the stream has been reached.
Example
The following code example shows how to write data to a file, byte by byte, and then verify that the data was written correctly.
using System;//www. j av a 2 s. c om
using System.IO;
class FStream
{
static void Main()
{
const string fileName = "Test.dat";
byte[] dataArray = new byte[100];
new Random().NextBytes(dataArray);
using(FileStream fileStream = new FileStream(fileName, FileMode.Create))
{
for(int i = 0; i < dataArray.Length; i++)
{
fileStream.WriteByte(dataArray[i]);
}
fileStream.Seek(0, SeekOrigin.Begin);
for(int i = 0; i < fileStream.Length; i++)
{
Console.WriteLine(fileStream.ReadByte());
}
}
}
}
The code above generates the following result.
