Classe TBufferedStream

Unit

uRESTDWDataset

Declaração

type TBufferedStream = class(TStream)

Descrição

Hierarquia

• TObject
• TStream
• TBufferedStream

Visão Geral

Métodos

	Function BufferHit: Boolean;
	Function GetCalcedSize: Int64; Virtual;
	Function LoadBuffer: Boolean; Virtual;
	Function ReadFromBuffer(Var Buffer; Count, Start : Longint) : Longint;
	Procedure SetSize(NewSize : Longint); Overload; Override;
	Procedure SetSize(Const NewSize : Int64); Overload; Override;
	Function WriteToBuffer(Const Buffer; Count, Start : Longint) : Longint;
	Constructor Create(Const AFileName : String; Mode : Word); Overload;
	Constructor Create(Const AFileName : String; Mode : Word; Rights : Cardinal); Overload;
	Destructor Destroy; Override;
	Procedure Flush; Virtual;
	Function Read(Var Buffer; Count : Longint) : Longint; Override;
	Function Seek(Offset : Longint; Origin : Word) : Longint; Overload; Override;
	Function Seek(Const Offset : Int64; Origin : TSeekOrigin) : Int64; Overload; Override;
	Function Write(Const Buffer; Count : Longint) : Longint; Override;

Propriedades

	property BufferSize : Longint Read FBufferSize Write FBufferSize;
	property Stream : TStream Read FStream;

Descrição

Métodos

	Function BufferHit: Boolean;

	Function GetCalcedSize: Int64; Virtual;

	Function LoadBuffer: Boolean; Virtual;

	Function ReadFromBuffer(Var Buffer; Count, Start : Longint) : Longint;

	Procedure SetSize(NewSize : Longint); Overload; Override;

	Procedure SetSize(Const NewSize : Int64); Overload; Override;

	Function WriteToBuffer(Const Buffer; Count, Start : Longint) : Longint;

	Constructor Create(Const AFileName : String; Mode : Word); Overload;

	Constructor Create(Const AFileName : String; Mode : Word; Rights : Cardinal); Overload;

	Destructor Destroy; Override;

	Procedure Flush; Virtual;

	Function Read(Var Buffer; Count : Longint) : Longint; Override;

	Function Seek(Offset : Longint; Origin : Word) : Longint; Overload; Override;

	Function Seek(Const Offset : Int64; Origin : TSeekOrigin) : Int64; Overload; Override;

	Function Write(Const Buffer; Count : Longint) : Longint; Override;

Propriedades

	property BufferSize : Longint Read FBufferSize Write FBufferSize;

	property Stream : TStream Read FStream;

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