Determines the Unicode category of a UTF-16 character.

class function GetUnicodeCategory(C: Char): TUnicodeCategory; overload; static;
class function GetUnicodeCategory(const S: string; Index: Integer): TUnicodeCategory; overload; static;

static __fastcall TUnicodeCategory GetUnicodeCategory(Char C);
static __fastcall TUnicodeCategory GetUnicodeCategory(const AnsiString S, int Index);