C#

struct Node
{
  unsafe { public Node* parentNode; }
  public int someData;
}

class SomeClass
{
  Node[] nodeArray = new Node[2];
  Node[] otherNodeArray = new Node[1];
  
  void LinkEmUp()
  {
    unsafe
    {  
      nodeArray[0].parentNode = &nodeArray[1];
      otherNodeArray[0].parentNode = &nodeArray[0];
    }
  }
}

class SomeClass
{
  public Node[] nodeArray = new Node[2];
  public Node[] otherNodeArray = new Node[1];
  
  public void LinkEmUp()
  {
    unsafe
    {  
      nodeArray[0].parentNode = &nodeArray[1];
      otherNodeArray[0].parentNode = &nodeArray[0];
    }
  }
}

unsafe static void Main()
{
  SomeClass c = new SomeClass();
  
  //pin SomeClass c and its member arrays, after leaving the scope of the fixed statement
  //the entire thing falls apart, the pointers the arrays are not used, there only to satisfy the requirements of C#
  fixed(Node* _temp = &c.nodeArray[0], __temp = &c.otherNodeAray[0])
  {
    c.LinkEmUp();
    //work with object, after leaving object is useless
    ...
  }
}

String message;
Byte[] data = System.Text.Encoding.ASCII.GetBytes(message);

String responseData = String.Empty;
                
                Int32 bytes = stream.Read(data, 0, data.Length);
                responseData = System.Text.Encoding.ASCII.GetString(data, 0, bytes);