addition of byte array

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I want to add two byte array in window application.

C#

byte[] b1;
byte[] b2;

I want to do:-

C#

b2=b1+b2;

How can i do this process with byte array.
I am use this:

for (int i = 0; i <b1.length;>{
b2[posoftotaldata] += b1[i]; // posoftataldata is define globally and static
posoftotaldata++;
}
But in this i don't get exact size of b2 because i also defined b1 and b2 globally how i define dynamically size of b2.
This work properly but confusion in size.

Posted 19-Dec-11 3:54am

jaideepsinh

Updated 19-Dec-11 5:14am

v3

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Pete O'Hanlon · Accepted Answer · 2011-12-19T04:06:00

Solution 1

A simple way to achieve this is to use a generic list and use the AddRange method to add the byte arrays together - the list allows you to output the data as an array, so you would get a byte array out. Here's an example:

C#

private byte[] GetBytes(byte[] b1, byte[b2])
{
  List<byte> data = new List<byte>();
  data.AddRange(b1);
  data.AddRange(b2);
  return data.ToArray();
}

There are many ways to achieve the same effect, but this is a simple, easy to debug version.

Posted 19-Dec-11 4:06am

Pete O'Hanlon

Comments

jaideepsinh 19-Dec-11 11:08am

I want to do this process in class file and in class file i don't get List.

Pete O'Hanlon 19-Dec-11 11:13am

You need to add using System.Collections.Generic to get access to the generic list.

Sergey Alexandrovich Kryukov 19-Dec-11 18:59pm

What is "in class file"?! What does it mean "I don't get list"? What and how you wanted to "get" it?
--SA

Sergey Alexandrovich Kryukov 19-Dec-11 18:58pm

Yes, a 5.
--SA

jaideepsinh 20-Dec-11 1:39am

If i use this method i have same problem for defining size of b2 because i am not remove b2 data every time i want to append data to b2.How i define size of b2.