C#

public string AStringName{<br />
  get{<br />
   return theprivatemember;<br />
  }<br />
  set{<br />
   theprivatemember = value;<br />
  }<br />
}

public class Data  
{   
  public string strText;  
  Formatter formatProtocol;  
  public Data()  
  {  
    formatProtocol = new Formatter(this);  // pass a reference to myself
  }  
}  
public class Formatter  
{ 
  private Data toFormat 
  public Formatter(Data theData) 
  {
     this.toFormat = theData
  } 
  
  void FormatNow()  
  {     
     this.toFormat.strData = "Hello reference";
  } 
}

BadKarma wrote:

The Formatter has to know the structure of the Data object

BadKarma wrote:

This alsoo breaks security when the modifier of the member is protected or private, here it needs to be public. Or can I make the two class friend of each other.

BadKarma wrote:

I'm not sure about this one, but isn't there a Garbage collection issue. I mean both objects point to each other. But I can only 'delete' one (Set the Data object = null)

<br />
public long AddTheValues( int[] numbers )<br />
{<br />
    long total = 0;<br />
<br />
    //<br />
    // note we do not need an int* to operate on numbers<br />
    //<br />
    for ( int i=0; i < numbers.Length; ++i )<br />
        total += numbers[i];<br />
<br />
    return total;<br />
}<br />

<br />
public void NextValueList( out int[] num, int size )<br />
{<br />
    num = new int[size];<br />
}<br />

private void dataGrid1_Click(object sender, System.EventArgs e)
{
	Point screenPos = Cursor.Position;
	Point gridPos = dataGrid1.PointToClient(screenPos);
	DataGrid.HitTestInfo hti = dataGrid1.HitTest(gridPos);
	if (hti.Type == DataGrid.HitTestType.Cell)
		Console.WriteLine("Contents: " + dataGrid1[hti.Row, hti.Column]);
}