WebResponse.GetResponseStream メソッド
アセンブリ: System (system.dll 内)

Dim instance As WebResponse Dim returnValue As Stream returnValue = instance.GetResponseStream
インターネット リソースからデータを読み取るための Stream クラスのインスタンス。


GetResponseStream メソッドは、インターネット リソースからデータ ストリームを返します。
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システム リソースの不足を防ぐために、応答ストリームを閉じる必要があります。応答ストリームは、Stream.Close または Close を呼び出して、閉じることができます。 |

GetResponseStream を使用して、StreamReader インスタンスを返す例を次に示します。小さなローカル バッファは、StreamReader からデータを読み取り、そのデータをコンソールに出力するときに使用します。
' Create a 'WebRequest' object with the specified url Dim myWebRequest As WebRequest = WebRequest.Create("www.contoso.com") ' Send the 'WebRequest' and wait for response. Dim myWebResponse As WebResponse = myWebRequest.GetResponse() ' Call method 'GetResponseStream' to obtain stream associated with the response object Dim ReceiveStream As Stream = myWebResponse.GetResponseStream() Dim encode As Encoding = System.Text.Encoding.GetEncoding("utf-8") ' Pipe the stream to a higher level stream reader with the required encoding format. Dim readStream As New StreamReader(ReceiveStream, encode) Console.WriteLine(ControlChars.Cr + "Response stream received") Dim read(256) As [Char] ' Read 256 charcters at a time . Dim count As Integer = readStream.Read(read, 0, 256) Console.WriteLine("HTML..." + ControlChars.Lf + ControlChars.Cr) While count > 0 ' Dump the 256 characters on a string and display the string onto the console. Dim str As New [String](read, 0, count) Console.Write(str) count = readStream.Read(read, 0, 256) End While Console.WriteLine("") ' Release the resources of stream object. readStream.Close() ' Release the resources of response object. myWebResponse.Close()
// Create a 'WebRequest' object with the specified url. WebRequest myWebRequest = WebRequest.Create("http://www.contoso.com"); // Send the 'WebRequest' and wait for response. WebResponse myWebResponse = myWebRequest.GetResponse(); // Obtain a 'Stream' object associated with the response object. Stream ReceiveStream = myWebResponse.GetResponseStream(); Encoding encode = System.Text.Encoding.GetEncoding("utf-8"); // Pipe the stream to a higher level stream reader with the required encoding format. StreamReader readStream = new StreamReader( ReceiveStream, encode ); Console.WriteLine("\nResponse stream received"); Char[] read = new Char[256]; // Read 256 charcters at a time. int count = readStream.Read( read, 0, 256 ); Console.WriteLine("HTML...\r\n"); while (count > 0) { // Dump the 256 characters on a string and display the string onto the console. String str = new String(read, 0, count); Console.Write(str); count = readStream.Read(read, 0, 256); } Console.WriteLine(""); // Release the resources of stream object. readStream.Close(); // Release the resources of response object. myWebResponse.Close();
// Create a 'WebRequest' object with the specified url. WebRequest^ myWebRequest = WebRequest::Create( "http://www.contoso.com" ); // Send the 'WebRequest' and wait for response. WebResponse^ myWebResponse = myWebRequest->GetResponse(); // Obtain a 'Stream' object associated with the response object. Stream^ ReceiveStream = myWebResponse->GetResponseStream(); Encoding^ encode = System::Text::Encoding::GetEncoding( "utf-8" ); // Pipe the stream to a higher level stream reader with the required encoding format. StreamReader^ readStream = gcnew StreamReader( ReceiveStream,encode ); Console::WriteLine( "\nResponse stream received" ); array<Char>^ read = gcnew array<Char>(256); // Read 256 charcters at a time. int count = readStream->Read( read, 0, 256 ); Console::WriteLine( "HTML...\r\n" ); while ( count > 0 ) { // Dump the 256 characters on a string and display the string onto the console. String^ str = gcnew String( read,0,count ); Console::Write( str ); count = readStream->Read( read, 0, 256 ); } Console::WriteLine( "" ); // Release the resources of stream object. readStream->Close(); // Release the resources of response object. myWebResponse->Close();
// Create a 'WebRequest' object with the specified url. WebRequest myWebRequest = WebRequest.Create( "http://www.constoso.com"); // Send the 'WebRequest' and wait for response. WebResponse myWebResponse = myWebRequest.GetResponse(); // Obtain a 'Stream' object associated with the response object. Stream receiveStream = myWebResponse.GetResponseStream(); Encoding encode = System.Text.Encoding.GetEncoding("utf-8"); // Pipe the stream to a higher level stream reader with the required // encoding format. StreamReader readStream = new StreamReader(receiveStream, encode); Console.WriteLine("\nResponse stream received"); char read[] = new char[256]; // Read 256 charcters at a time. int count = readStream.Read(read, 0, 256); Console.WriteLine("HTML...\r\n"); while (count > 0) { // Dump the 256 characters on a string and display the string // onto the console. String str = new String(read, 0, count); Console.Write(str); count = readStream.Read(read, 0, 256); } Console.WriteLine(""); // Release the resources of stream object. readStream.Close(); // Release the resources of response object. myWebResponse.Close();

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
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