private static extern IntPtr CeSetUserNotificationEx( IntPtr notification, CE_NOTIFICATION_TRIGGER notificationTrigger, CE_USER_NOTIFICATION userNotification );

CE_NOTIFICATION_TRIGGER

  CE_NOTIFICATION_TRIGGER notificationTrigger = new CE_NOTIFICATION_TRIGGER();

private static extern IntPtr CeSetUserNotificationEx( IntPtr notification, CE_NOTIFICATION_TRIGGER notificationTrigger, CE_USER_NOTIFICATION userNotification );

CE_NOTIFICATION_TRIGGER

  CE_NOTIFICATION_TRIGGER notificationTrigger = new CE_NOTIFICATION_TRIGGER();

  public class CE_NOTIFICATION_TRIGGER