Read and write binary file in c#

here i will show how you can read and write binary file in c#

            // write file
           FileStream fs = new FileStream("abc.bin", FileMode.Create);
           BinaryWriter bw = new BinaryWriter(fs);


             bw.Write(123.32d); // double
            bw.Write("string1"); // string
            bw.Write('c');  //character


             bw.Dispose();


             //read file

           FileStream fs1 = new FileStream("abc.bin", FileMode.Open);
           BinaryReader br = new BinaryReader(fs1);
            
           Console.WriteLine(br.ReadDouble().ToString());
           Console.WriteLine(br.ReadString().ToString());
           Console.WriteLine(br.ReadChar().ToString());
             br.Dispose();