/// <summary>
/// Reallocates the unmanaged array to be new size. This may require a new location in memory.
/// </summary>
/// <param name="size"></param>
public void Realloc(int size)
{
var ptr = Marshal.ReAllocHGlobal(Array.Ptr, new IntPtr(size));
Array = new UnmanagedArray <T>(ptr, size);
}
/// <summary>
/// Allocates a new instance of the AutomaticUnmanagedArray, specifying the size of the array as the number
/// of instances in the array (not the number of bytes).
/// </summary>
/// <param name="size"></param>
public AutomaticUnmanagedArray(int size)
{
var ptr = Marshal.AllocHGlobal(size * Marshal.SizeOf <T>());
Array = new UnmanagedArray <T>(ptr, size);
}