Console.SetError(TextWriter) Console.SetError(TextWriter) Console.SetError(TextWriter) Console.SetError(TextWriter) Method

Definition

Legt die Error-Eigenschaft auf den angegebenen TextWriter fest. Sets the Error property to the specified TextWriter object.

public:
 static void SetError(System::IO::TextWriter ^ newError);
public static void SetError (System.IO.TextWriter newError);
static member SetError : System.IO.TextWriter -> unit
Public Shared Sub SetError (newError As TextWriter)

Parameter

newError
TextWriter TextWriter TextWriter TextWriter

Ein Datenstrom, der die neue Standardfehlerausgabe darstellt. A stream that is the new standard error output.

Exceptions

Der Aufrufer verfügt nicht über die erforderliche Berechtigung. The caller does not have the required permission.

Examples

Das folgende Beispiel zeigt, wie Sie den Standardfehler-Datenstrom in eine Datei umleiten.The following example shows how to redirect the standard error stream to a file.

using namespace System;
using namespace System::IO;
using namespace System::Reflection;

ref class RedirectStdErr;

void main()
{
   // Define file to receive error stream.
   DateTime appStart = DateTime::Now;
   String^ fn = "c:\\temp\\errlog" + appStart.ToString("yyyyMMddHHmm") + ".log";
   TextWriter^ errStream = gcnew StreamWriter(fn);
   String^ appName = Assembly::GetExecutingAssembly()->Location;
   appName = appName->Substring(appName->LastIndexOf('\\') + 1);
   // Redirect standard error stream to file.
   Console::SetError(errStream);
   // Write file header.
   Console::Error->WriteLine("Error Log for Application {0}", appName);
   Console::Error->WriteLine();
   Console::Error->WriteLine("Application started at {0}.", appStart);
   Console::Error->WriteLine();
   //
   // Application code along with error output 
   //
   // Close redirected error stream.
   Console::Error->Close();
}
using System;
using System.IO;
using System.Reflection;

public class RedirectStdErr
{
   public static void Main()
   {
      // Define file to receive error stream.
      DateTime appStart = DateTime.Now;
      string fn = @"c:\temp\errlog" + appStart.ToString("yyyyMMddHHmm") + ".log";
      TextWriter errStream = new StreamWriter(fn);
      string appName = typeof(RedirectStdErr).Assembly.Location;
      appName = appName.Substring(appName.LastIndexOf('\\') + 1);
      // Redirect standard error stream to file.
      Console.SetError(errStream);
      // Write file header.
      Console.Error.WriteLine("Error Log for Application {0}", appName);
      Console.Error.WriteLine();
      Console.Error.WriteLine("Application started at {0}.", appStart);
      Console.Error.WriteLine();
      //
      // Application code along with error output 
      //
      // Close redirected error stream.
      Console.Error.Close();
   }
}
Imports System.IO
Imports System.Reflection

Module RedirectStdErr
   Public Sub Main()
      ' Define file to receive error stream.
      Dim appStart As Date = Date.Now
      Dim fn As String = "c:\temp\errlog" & appStart.ToString("yyyyMMddHHmm") & ".log"
      Dim errStream As New StreamWriter(fn)
      Dim appName As String = GetType(RedirectStdErr).Assembly.Location
      appName = Mid(appName, InStrRev(appName, "\") + 1)
      ' Redirect standard error stream to file.
      Console.SetError(errStream)
      ' Write file header.
      Console.Error.WriteLine("Error Log for Application {0}", appName)
      Console.Error.WriteLine()
      Console.Error.WriteLine("Application started at {0}.", appStart)
      Console.Error.WriteLine()
      '
      ' Application code along with error output 
      '
      ' Close redirected error stream.
      Console.Error.Close()
   End Sub
End Module

Remarks

In der Standardeinstellung die Error Eigenschaft auf den Standard-Fehlerausgabestream festgelegt ist.By default, the Error property is set to the standard error output stream.

Ein StreamWriter , kapselt einen FileStream kann zum Senden von Fehlermeldungen in einer Datei verwendet werden.A StreamWriter that encapsulates a FileStream can be used to send error messages to a file.

Security

SecurityPermission
zum Aufrufen von nicht verwaltetem Code. for calling unmanaged code. Zugeordnete Enumeration: UnmanagedCode Associated enumeration: UnmanagedCode

Applies to

See Also