ServicePoint.ReceiveBufferSize 屬性
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
取得或設定該套接字 ServicePoint的接收緩衝區大小。
public:
property int ReceiveBufferSize { int get(); void set(int value); };
public int ReceiveBufferSize { get; set; }
member this.ReceiveBufferSize : int with get, set
Public Property ReceiveBufferSize As Integer
屬性值
Int32 A 包含接收緩衝區的大小(以位元組為單位)。 預設值為8192。
例外狀況
設定操作的值大於 Int32.MaxValue。
範例
以下程式碼範例設定此屬性的值。
using System;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;
namespace Examples.System.Net
{
public class ServicePointExample
{
// Pass in the name of the Web page to retrieve.
public static void Main(string[] args)
{
string page;
if (args == null || args.Length == 0 || args[0].Length == 0)
{
page = "http://www.contoso.com/default.html";
}
else
{
page = args[0];
}
// Create the request.
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(page);
// Get the service point that handles the request's socket connection.
ServicePoint point = request.ServicePoint;
// Set the receive buffer size on the underlying socket.
point.ReceiveBufferSize = 2048;
// Set the connection lease timeout to infinite.
point.ConnectionLeaseTimeout = Timeout.Infinite;
// Send the request.
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream responseStream = response.GetResponseStream();
StreamReader s = new StreamReader(responseStream);
// Display the response.
Console.WriteLine(s.ReadToEnd());
s.Close();
responseStream.Close();
response.Close();
}
}
}
Imports System.Net
Imports System.Net.Sockets
Imports System.IO
Imports System.Threading
Public Class ServicePointExample
' Pass in the name of the Web page to retrieve.
Public Shared Sub Main(ByVal args() As String)
Dim page As String
If args Is Nothing OrElse args.Length = 0 OrElse args(0).Length = 0 Then
page = "http://www.contoso.com/default.html"
Else
page = args(0)
End If
Dim request As HttpWebRequest = CType(WebRequest.Create(page), HttpWebRequest)
' Get the service point that handles the request's socket connection.
Dim point As ServicePoint = request.ServicePoint
' Set the receive buffer size on the underlying socket.
point.ReceiveBufferSize = 2048
' Set the connection lease timeout to infinite.
point.ConnectionLeaseTimeout = Timeout.Infinite
' Send the request.
Dim response As HttpWebResponse = CType(request.GetResponse(), HttpWebResponse)
Dim responseStream As Stream = response.GetResponseStream()
Dim s As New StreamReader(responseStream)
' Display the response.
Console.WriteLine(s.ReadToEnd())
responseStream.Close()
response.Close()
End Sub
End Class
備註
注意事項
WebRequest、、HttpWebRequest、ServicePointWebClient、和 都已過時,你不應該用它們來做新開發。 請改用 HttpClient。
如需詳細資訊,請參閱 ReceiveBufferSize。
Note
自 .NET 9 起,HttpWebRequest 使用 SocketsHttpHandler.ConnectCallback 來設定 Socket.ReceiveBufferSize 為此性質的值。