This class stores a collection of bit values as Boolean types. The constructor takes many different forms of input to build the initial array, including arguments that specify the initial values and the size of the array. You can construct the BitArray with an existing array of bools, or with a byte or integer array. With an integer array, each int value becomes 32 bits of the BitArray, with the least significant bit mapped to the lowest index value (MyBitArray[0]) of the 32-bit range. A byte array uses 8 bits for each value in a similar fashion. A "bare" array can be constructed by simply providing an integer value for the number of bits in the BitArray, which are all set to false by default. Provide an additional Boolean value as a second argument to set the default values to either true or false.

The main functions of the BitArray class allow you to perform bitwise operations with two BitArrays of the same length. There are methods for And( ), Or( ), and Xor( ) that correspond to their respective bitwise operations. The Not( ) method inverts each bit value in the BitArray.

public sealed class BitArray : ICollection, IEnumerable, ICloneable {
// Public Constructors
   public BitArray(BitArray bits);
   public BitArray(bool[ ] values);
   public BitArray(byte[ ] bytes);
   public BitArray(int length);
   public BitArray(int[ ] values);
   public BitArray(int length, bool defaultValue);
// Public Instance Properties
   public int Count{get; }
// implements ICollection
   public bool IsReadOnly{get; }
   public bool IsSynchronized{get; }     
// implements ICollection
   public int Length{set; get; }
   public object SyncRoot{get; }         
// implements ICollection
   public bool this[int index]{set; get; }
// Public Instance Methods
   public BitArray And(BitArray value);
   public object Clone( ); 
// implements ICloneable
   public void CopyTo(Array array, int index);       
// implements ICollection
   public bool Get(int index);
   public IEnumerator GetEnumerator( );   
// implements IEnumerable
   public BitArray Not( );
   public BitArray Or(BitArray value);
   public void Set(int index, bool value);
   public void SetAll(bool value);
   public BitArray Xor(BitArray value);
}