System.Classes.TStream.ReadBufferData
Delphi
procedure ReadBufferData(var Buffer: Boolean); overload;
procedure ReadBufferData(var Buffer: Boolean; Count: NativeInt); overload;
procedure ReadBufferData(var Buffer: AnsiChar); overload;
procedure ReadBufferData(var Buffer: AnsiChar; Count: NativeInt); overload;
procedure ReadBufferData(var Buffer: Char); overload;
procedure ReadBufferData(var Buffer: Char; Count: NativeInt); overload;
procedure ReadBufferData(var Buffer: Int8); overload;
procedure ReadBufferData(var Buffer: Int8; Count: NativeInt); overload;
procedure ReadBufferData(var Buffer: UInt8); overload;
procedure ReadBufferData(var Buffer: UInt8; Count: NativeInt); overload;
procedure ReadBufferData(var Buffer: Int16); overload;
procedure ReadBufferData(var Buffer: Int16; Count: NativeInt); overload;
procedure ReadBufferData(var Buffer: UInt16); overload;
procedure ReadBufferData(var Buffer: UInt16; Count: NativeInt); overload;
procedure ReadBufferData(var Buffer: Int32); overload;
procedure ReadBufferData(var Buffer: Int32; Count: NativeInt); overload;
procedure ReadBufferData(var Buffer: UInt32); overload;
procedure ReadBufferData(var Buffer: UInt32; Count: NativeInt); overload;
procedure ReadBufferData(var Buffer: Int64); overload;
procedure ReadBufferData(var Buffer: Int64; Count: NativeInt); overload;
procedure ReadBufferData(var Buffer: UInt64); overload;
procedure ReadBufferData(var Buffer: UInt64; Count: NativeInt); overload;
procedure ReadBufferData(var Buffer: Single); overload;
procedure ReadBufferData(var Buffer: Single; Count: NativeInt); overload;
procedure ReadBufferData(var Buffer: Double); overload;
procedure ReadBufferData(var Buffer: Double; Count: NativeInt); overload;
procedure ReadBufferData(var Buffer: Extended); overload;
procedure ReadBufferData(var Buffer: Extended; Count: NativeInt); overload;
procedure ReadBufferData(var Buffer: TExtended80Rec); overload;
procedure ReadBufferData(var Buffer: TExtended80Rec; Count: NativeInt); overload;
C++
void __fastcall ReadBufferData(bool &Buffer)/* overload */;
void __fastcall ReadBufferData(bool &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadBufferData(char &Buffer)/* overload */;
void __fastcall ReadBufferData(char &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadBufferData(System::WideChar &Buffer)/* overload */;
void __fastcall ReadBufferData(System::WideChar &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadBufferData(System::Int8 &Buffer)/* overload */;
void __fastcall ReadBufferData(System::Int8 &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadBufferData(System::Byte &Buffer)/* overload */;
void __fastcall ReadBufferData(System::Byte &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadBufferData(short &Buffer)/* overload */;
void __fastcall ReadBufferData(short &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadBufferData(System::Word &Buffer)/* overload */;
void __fastcall ReadBufferData(System::Word &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadBufferData(int &Buffer)/* overload */;
void __fastcall ReadBufferData(int &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadBufferData(unsigned &Buffer)/* overload */;
void __fastcall ReadBufferData(unsigned &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadBufferData(__int64 &Buffer)/* overload */;
void __fastcall ReadBufferData(__int64 &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadBufferData(unsigned __int64 &Buffer)/* overload */;
void __fastcall ReadBufferData(unsigned __int64 &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadBufferData(float &Buffer)/* overload */;
void __fastcall ReadBufferData(float &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadBufferData(double &Buffer)/* overload */;
void __fastcall ReadBufferData(double &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadBufferData(System::Extended &Buffer)/* overload */;
void __fastcall ReadBufferData(System::Extended &Buffer, NativeInt Count)/* overload */;
void __fastcall ReadBufferData(System::TExtended80Rec &Buffer)/* overload */;
void __fastcall ReadBufferData(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 | TStream |
説明
ストリームから Buffer へ、固定の Count バイトまたは SizeOf(Buffer) バイトを読み取るためのメソッド群です。
ReadBufferData を使用して、固定の Count バイトまたは SizeOf(Buffer) バイトちょうどをストリームから読み取って、型指定された Buffer に設定することができます。ReadBufferData は、指定されたぴったりのバイト数を ReadBufferData が読み取ることができなければ、EReadError 例外を発生させます。
ReadBufferData が動作するアルゴリズムは以下のとおりです。
- ReadBufferData に
Countパラメータがない場合、ReadBufferData は tries to read theSizeOf(Buffer)バイトの読み取りを試み、ストリーム内の現在位置を転送したバイト数だけ先に進めます。転送したバイト数がSizeOf(Buffer)と等しくなければ、ReadBufferData は EReadError 例外を発生させます。 - ReadBufferData に
Countパラメータがある場合、ReadBufferData は ReadData を呼び出してCountバイトを読み取ります。転送したと報告されたバイト数がCountと等しくなければ、ReadBufferData は EReadError 例外を発生させます。
ReadBufferData では、ReadData を呼び出して実際の読み取りを行います。