System.Character.TCharacter.IsDefined
Delphi
class function IsDefined(C: Char): Boolean; overload; inline; static;
class function IsDefined(C: UCS4Char): Boolean; overload; inline; static;
class function IsDefined(const S: string; Index: Integer): Boolean; overload; inline; static;
C++
static bool __fastcall IsDefined(System::WideChar C)/* overload */;
static bool __fastcall IsDefined(unsigned C)/* overload */;
static bool __fastcall IsDefined(const System::UnicodeString S, int Index)/* overload */;
Propriétés
Type | Visibilité | Source | Unité | Parent |
---|---|---|---|---|
function | public | System.Character.pas System.Character.hpp |
System.Character | TCharacter |
Description
Avertissement : TCharacter.IsDefined est obsolète. Veuillez utiliser TCharHelper.IsDefined.
Détermine si le caractère UTF-16 est défini dans les spécifications Unicode.