Convert BitArray To Byte Array - CSharp System.Collections

CSharp examples for System.Collections:BitArray

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Description

Convert BitArray To Byte Array

Demo Code


using System.Collections;
using System.Net.Sockets;
using System.Net;
using System.Text;
using System.Linq;
using System.Collections.Generic;
using System;//w ww.  j a v  a 2  s . c  o m

public class Main{
        /// <summary>
        /// 
        /// </summary>
        /// <param name="bitArray"></param>
        /// <returns></returns>
        private static byte[] ConvertToByteArray(BitArray bitArray)
        {
            // pack (in this case, using the first bool as the lsb - if you want
            // the first bool as the msb, reverse things ;-p)
            int bytes = (bitArray.Length + 7) / 8;
            byte[] arr2 = new byte[bytes];
            int bitIndex = 0;
            int byteIndex = 0;

            for (int i = 0; i < bitArray.Length; i++)
            {
                if (bitArray[i])
                {
                    arr2[byteIndex] |= (byte)(1 << bitIndex);
                }

                bitIndex++;
                if (bitIndex == 8)
                {
                    bitIndex = 0;
                    byteIndex++;
                }
            }

            return arr2;
        }
}

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