C#

private void Form1_Load(object sender, EventArgs e)
{
    Thread MyThread = new Thread(delegate()
    {
        timer1.Start();

    }); MyThread.Start();
}

private void timer1_Tick(object sender, EventArgs e)
{
    this.Text = DateTime.Now.ToLongTimeString();

}

[TypeConverter(typeof(MyClassConverter))]<br />
public class MyClass <br />
{<br />
  ...<br />
}<br />
<br />
public class MyClassConverter : TypeConverter<br />
{<br />
  public override PropertyDescriptorCollection GetProperties(ITypeDescriptorContext context, object value, Attribute[] attributes)<br />
  {<br />
    // set the order in which the properties appear <br />
    // in the property window<br />
			<br />
    PropertyDescriptorCollection collection = TypeDescriptor.GetProperties(typeof(MyClass), attributes);<br />
<br />
    string[] s = new string[3];<br />
    s[0] = "XYZPropertyName";<br />
    s[1] = "ABCPropertyName";<br />
    s[2] = "IJKPropertyName";<br />
<br />
    return collection.Sort(s);<br />
  }<br />
}

Type t = Type.GetTypeFromProgID("ProgId","RemoteServerName");<br />
Object o = Activator.CreateInstance(t);<br />

[Flags]
public enum Status
{
  Hidden = 1,
  Poisoned = 2,
  Sleeping = 4 // and so on
}

protected Status characterStatus;

public bool IsHidden
{
  get { return (characterStatus & Status.Hidden) == Status.Hidden; }
  set {
    if (value)
      characterStatus |= Status.Hidden; // combine using OR
    else
      characterStatus &= ~Status.Hidden; // mask using AND/complement
  }
}

characterStatus = Status.Poisoned | Status.Sleeping;

characterStatus = 6; // 6 == (2 | 4)

Color boxColor = IsPoisoned ? Color.Green : Color.Red;

public enum Status : byte