C#

/// <summary>
/// This will appear in the intellisense thingamabob.
/// </summary>

"You can have everything in life you want if you will just help enough other people get what they want." --Zig Ziglar

/// <summary>This class does X.</summary>
/// <remarks>A better, longer description...</remarks>
public class MyClass
{
  /// <summary>
  /// Creates a new instance of the <see cref="MyClass"/> class.
  /// </summary>
  public MyClass()
  {
  }
  /// <summary>Returns <paramref name="param1"/> + 1.</summary>
  /// <param name="param1">Description of param1</param>
  /// <returns>An <see cref="Int32"/> that represents something.
  public int SomeMethod(int param1)
  {
    return param1 + 1;
  }
}

SqlConnection conn = null;
try
{
  conn = new SqlConnection("...");
  // ...
}
finally
{
  if (conn != null) conn.Close();
}

<br />
string strXPath = "descendant::Contact[FirstName='{0}']", txtBox.Text;<br />
XmlNode deleteContact = contactDoc.SelectSingleNode(strXPath);<br />
contactDoc.DocumentElement.RemoveChild(deleteContact);<br />

MDI Parent Form
    |
    +--->MDI Child Form
    |
    +--->MDI Child Form
    |
    +--->MDI Child/Parent Form     <---Illegal!
               |
               +--->MDI Child Form
               |
               +--->MDI Child Form
 

RageInTheMachine9532