C# BinaryReader

C# BinaryReader class is used to read binary information from stream. It is found in System.IO namespace. It also supports reading string in specific encoding.

Example

Let's see the simple example of BinaryReader class which reads data from dat file.

snippet
using System;
using System.IO;
namespace BinaryWriterExample
{
    class Program
    {
        static void Main(string[] args)
        {
            WriteBinaryFile();
            ReadBinaryFile();
            Console.ReadKey();
        }
        static void WriteBinaryFile()
        {
            using (BinaryWriter writer = new BinaryWriter(File.Open("e:\\binaryfile.dat", FileMode.Create)))
            {
               
                writer.Write(12.5);
                writer.Write("this is string data");
                writer.Write(true);
            }
        }
        static void ReadBinaryFile()
        {
            using (BinaryReader reader = new BinaryReader(File.Open("e:\\binaryfile.dat", FileMode.Open)))
            {
                Console.WriteLine("Double Value : " + reader.ReadDouble());
                Console.WriteLine("String Value : " + reader.ReadString());
                Console.WriteLine("Boolean Value : " + reader.ReadBoolean());
            }
        }
    }
}
Output
Double Value : 12.5 String Value : this is string data Boolean Value : true
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