ArrayHelpers.cs

using System;

namespace Assemblies.General
{
	public sealed class ArrayHelpers
	{
		static public Array Add(Array aFirst, Array aSecond)
		{
			if (aFirst ==  null)
			{
				return aSecond.Clone() as Array;
			}

			if (aSecond == null)
			{
				return aFirst.Clone() as Array;
			}

			Type typeFirst = aFirst.GetType().GetElementType();
			Type typeSecond = aSecond.GetType().GetElementType();

			System.Diagnostics.Debug.Assert(typeFirst == typeSecond);

			Array aNewArray = Array.CreateInstance(typeFirst, aFirst.Length + aSecond.Length);
			aFirst.CopyTo(aNewArray, 0);
			aSecond.CopyTo(aNewArray, aFirst.Length);

			return aNewArray;
		}

		private ArrayHelpers()
		{

		}
	}
}