void Detach() { _contentProperty.Detach(OnContentChanged); _wrapProperty.Detach(OnLayoutPropertyChanged); _scrollProperty.Detach(OnLayoutPropertyChanged); HorizontalAlignmentProperty.Detach(OnLayoutPropertyChanged); VerticalAlignmentProperty.Detach(OnLayoutPropertyChanged); FontFamilyProperty.Detach(OnFontChanged); FontSizeProperty.Detach(OnFontChanged); HorizontalContentAlignmentProperty.Detach(OnLayoutPropertyChanged); VerticalContentAlignmentProperty.Detach(OnLayoutPropertyChanged); }