Array Combination Methods

    public static void AppendSecondArrayToFirst<T>(ref T[] first, T[] second){
        int arrayOriginalSize = first.Length;
        Array.Resize<T>(ref first, first.Length + second.Length);
        Array.Copy(second, 0, first, arrayOriginalSize, second.Length);
    }

    public static T[] CreateCombinedArrayFrom<T>(T[] first, T[] second)
    {
        T[] result = new T[first.Length + second.Length];
        Array.Copy(first, 0, result, 0, first.Length);
        Array.Copy(second, 0, result, first.Length, second.Length);
        return result;
    }