System.Collections.ArrayList.ToArray C# (CSharp) Method

        public virtual Array ToArray(Type type)
        {
            if (type == null)
                throw new ArgumentNullException(nameof(type));
            Contract.Ensures(Contract.Result<Array>() != null);
            Contract.EndContractBlock();
            Array array = Array.CreateInstance(type, _size);
            Array.Copy(_items, 0, array, 0, _size);
            return array;
        }

		/// <summary>
		/// Creates a NDataReader from a <see cref="IDataReader" />
		/// </summary>
		/// <param name="reader">The <see cref="IDataReader" /> to get the records from the Database.</param>
		/// <param name="isMidstream"><see langword="true" /> if we are loading the <see cref="IDataReader" /> in the middle of reading it.</param>
		/// <remarks>
		/// NHibernate attempts to not have to read the contents of an <see cref="IDataReader"/> into memory until it absolutely
		/// has to.  What that means is that it might have processed some records from the <see cref="IDataReader"/> and will
		/// pick up the <see cref="IDataReader"/> midstream so that the underlying <see cref="IDataReader"/> can be closed 
		/// so a new one can be opened.
		/// </remarks>
		public NDataReader(IDataReader reader, bool isMidstream)
		{
			ArrayList resultList = new ArrayList(2);

			try
			{
				// if we are in midstream of processing a DataReader then we are already
				// positioned on the first row (index=0)
				if (isMidstream)
				{
					currentRowIndex = 0;
				}

				// there will be atleast one result 
				resultList.Add(new NResult(reader, isMidstream));

				while (reader.NextResult())
				{
					// the second, third, nth result is not processed midstream
					resultList.Add(new NResult(reader, false));
				}

				results = (NResult[]) resultList.ToArray(typeof(NResult));
			}
			catch (Exception e)
			{
				throw new ADOException("There was a problem converting an IDataReader to NDataReader", e);
			}
			finally
			{
				reader.Close();
			}
		}