Silverlight 5

WinRT

public sealed enum TextPatternRangeEndpoint	public sealed enum TextPatternRangeEndpoint
: IComparable, IFormattable, IConvertible	: IComparable, IFormattable, IConvertible
{ Start, End }	{ Start, End }

public sealed enum TextUnit	public sealed enum TextUnit
: IComparable, IFormattable, IConvertible	: IComparable, IFormattable, IConvertible
{ Character, Format, Word, Line, Paragraph, Page, Document }	{ Character, Format, Word, Line, Paragraph, Page, Document }