C# BinaryReader

by Online Tutorials Library July 14, 2022

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.

C# BinaryReader Example

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

 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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