EndOfStreamException Klasse

Definition

public ref class EndOfStreamException : System::IO::IOException

public class EndOfStreamException : System.IO.IOException

[System.Serializable]
public class EndOfStreamException : System.IO.IOException

[System.Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public class EndOfStreamException : System.IO.IOException

type EndOfStreamException = class
    inherit IOException

[<System.Serializable>]
type EndOfStreamException = class
    inherit IOException

[<System.Serializable>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type EndOfStreamException = class
    inherit IOException

Public Class EndOfStreamException
Inherits IOException

Vererbung

Object

Exception

IOException

EndOfStreamException

Vererbung

Object

Exception

SystemException

IOException

EndOfStreamException

Attribute

SerializableAttribute ComVisibleAttribute

Beispiele

Im folgenden Codebeispiel wird veranschaulicht, wie Daten mithilfe der BinaryReader Klassen BinaryWriter und der Klasse im Arbeitsspeicher gelesen und in den MemoryStream Arbeitsspeicher geschrieben Double werden.

using System;
using System.IO;

class BinaryRW
{
    static void Main()
    {
        int i;
        const int arrayLength = 1000;

        // Create random data to write to the stream.
        Random randomGenerator = new Random();
        double[] dataArray = new double[arrayLength];
        for(i = 0; i < arrayLength; i++)
        {
            dataArray[i] = 100.1 * randomGenerator.NextDouble();
        }

        using(BinaryWriter binWriter =
            new BinaryWriter(new MemoryStream()))
        {
            // Write the data to the stream.
            Console.WriteLine("Writing data to the stream.");
            for(i = 0; i < arrayLength; i++)
            {
                binWriter.Write(dataArray[i]);
            }

            // Create a reader using the stream from the writer.
            using(BinaryReader binReader =
                new BinaryReader(binWriter.BaseStream))
            {
                try
                {
                    // Return to the beginning of the stream.
                    binReader.BaseStream.Position = 0;

                    // Read and verify the data.
                    Console.WriteLine("Verifying the written data.");
                    for(i = 0; i < arrayLength; i++)
                    {
                        if(binReader.ReadDouble() != dataArray[i])
                        {
                            Console.WriteLine("Error writing data.");
                            break;
                        }
                    }
                    Console.WriteLine("The data was written " +
                        "and verified.");
                }
                catch(EndOfStreamException e)
                {
                    Console.WriteLine("Error writing data: {0}.",
                        e.GetType().Name);
                }
            }
        }
    }
}

Imports System.IO

Public Class BinaryRW

    Shared Sub Main()
    
        Dim i As Integer
        Const upperBound As Integer = 1000

        ' Create random data to write to the stream.
        Dim dataArray(upperBound) As Double
        Dim randomGenerator As New Random()
        For i = 0 To upperBound
            dataArray(i) = 100.1 * randomGenerator.NextDouble()
        Next i

        Dim binWriter As New BinaryWriter(New MemoryStream())
        Try

            ' Write data to the stream.
            Console.WriteLine("Writing data to the stream.")
            
            For i = 0 To upperBound
                binWriter.Write(dataArray(i))
            Next i

            ' Create a reader using the stream from the writer.
            Dim binReader As New BinaryReader(binWriter.BaseStream)

            ' Return to the beginning of the stream.
            binReader.BaseStream.Position = 0

            ' Read and verify the data.
            Try
                Console.WriteLine("Verifying the written data.")
                For i = 0 To upperBound
                    If binReader.ReadDouble() <> dataArray(i) Then
                        Console.WriteLine("Error writing data.")
                        Exit For
                    End If
                Next i
                Console.WriteLine("The data was written and verified.")
            Catch ex As EndOfStreamException
                Console.WriteLine("Error writing data: {0}.", _
                    ex.GetType().Name)
            End Try
        Finally
            binWriter.Close()
        End Try

    End Sub
End Class

Hinweise

EndOfStreamException verwendet die HRESULT-COR_E_ENDOFSTREAM, die den Wert 0x80070026 hat.

Weitere Informationen

• Exception
• Behandeln und Auslösen von Ausnahmen in .NET
• Datei- und Stream-E/A
• Vorgehensweise: Lesen von Text aus einer Datei
• Vorgehensweise: Schreiben von Text in eine Datei