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 */;
プロパティ
| 種類 | 可視性 | ソース | ユニット | 親 |
|---|---|---|---|---|
procedure function |
public | System.Classes.pas System.Classes.hpp |
System.Classes | TReader |
説明
内部のリーダー オブジェクトのバッファから最大 Count バイト分を読み取り、指定された型の Buffer パラメータに格納するためのメソッド群です。
ReadVar で Count バイト分を読み取れない場合は、EReadError 例外が発生します。
ReadVar では、内部バッファ内の現在位置を Count バイト分だけ先に進めます。