TitleChanged
fListener->TitleChanged(this, BString(), false);
fListener->TitleChanged(this, fTitle, fTitleUserDefined);
fListener->TitleChanged(this, fOldTitle, fOldTitleUserDefined);
virtual void TitleChanged(SetTitleDialog* dialog,
virtual void TitleChanged(SetTitleDialog* dialog,
virtual void TitleChanged(const BString& title,