public static void Main()
{
MyControl myControl = new MyControl();
ISerializable ser = (ISerializable)myControl;
// NOTE: This will throw a System.InvalidateCastException
// because the class does not implement the ISerializable
// interface.
bool success = ser.Save();
Console.WriteLine("The saving of '{0}' was {1}successful",
myControl.data,
(true == success ? "" : "not "));
}