public class TVDatabase
  {
 
    public delegate void OnChangedHandler();
    static public event OnChangedHandler OnProgramsChanged=null;
    static public event OnChangedHandler OnRecordingsChanged=null;
 
    /// <summary>
    /// private constructor to prevent any instance of this class
    /// </summary>
    private TVDatabase()
    {
    }
 
    /// <summary>
    /// static constructor. Opens or creates the tv database from _
      database\TVDatabaseV6.db
    /// </summary>
    static TVDatabase()
    {
 
   CODE
 
usw.