A type specified when showing a balloon hint that puts one of the default icons on the balloon message.

TBalloonFlags = (
  bfNone = NIIF_NONE,
  bfInfo = NIIF_INFO,
  bfWarning = NIIF_WARNING,
  bfError = NIIF_ERROR
);

enum TBalloonFlags {
  bfNone = NIIF_NONE,
  bfInfo = NIIF_INFO,
  bfWarning = NIIF_WARNING,
  bfError = NIIF_ERROR
};