System.Classes.TReader.ReadVar
Delphi
procedure ReadVar(var Buffer: AnsiChar; Count: NativeInt); overload;
procedure ReadVar(var Buffer: Char; Count: NativeInt); overload;
procedure ReadVar(var Buffer: Int8; Count: NativeInt); overload;
procedure ReadVar(var Buffer: UInt8; Count: NativeInt); overload;
procedure ReadVar(var Buffer: Int16; Count: NativeInt); overload;
procedure ReadVar(var Buffer: UInt16; Count: NativeInt); overload;
procedure ReadVar(var Buffer: Int32; Count: NativeInt); overload;
procedure ReadVar(var Buffer: UInt32; Count: NativeInt); overload;
procedure ReadVar(var Buffer: Int64; Count: NativeInt); overload;
procedure ReadVar(var Buffer: UInt64; Count: NativeInt); overload;
procedure ReadVar(var Buffer: Single; Count: NativeInt); overload;
procedure ReadVar(var Buffer: Double; Count: NativeInt); overload;
procedure ReadVar(var Buffer: Extended; Count: NativeInt); overload;
procedure ReadVar(var Buffer: TExtended80Rec; Count: NativeInt); overload;
C++
void __fastcall ReadVar(char &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadVar(System::WideChar &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadVar(System::Int8 &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadVar(System::Byte &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadVar(short &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadVar(System::Word &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadVar(int &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadVar(unsigned &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadVar(__int64 &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadVar(unsigned __int64 &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadVar(float &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadVar(double &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadVar(System::Extended &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadVar(System::TExtended80Rec &Buffer, NativeInt Count)/* overload */;
Propriétés
| Type | Visibilité | Source | Unité | Parent |
|---|---|---|---|---|
procedure function |
public | System.Classes.pas System.Classes.hpp |
System.Classes | TReader |
Description
Méthodes responsables de lire jusqu'à Count octets depuis le tampon interne de l'objet lecteur vers le paramètre Buffer du type spécifié.
Si ReadVar ne peut pas lire Count octets, l'exception EReadError est déclenchée.
ReadVar avance la position en cours dans le tampon interne du nombre d'octets Count.