StackFrame.ToString-Methode

Erstellt eine lesbare Darstellung der Stapelüberwachung.

Namespace: System.Diagnostics
Assembly: mscorlib (in mscorlib.dll)

Syntax

'Declaration
Public Overrides Function ToString As String
'Usage
Dim instance As StackFrame
Dim returnValue As String

returnValue = instance.ToString

public override string ToString ()

public:
virtual String^ ToString () override

public String ToString ()

public override function ToString () : String

Rückgabewert

Gibt eine lesbare Darstellung zurück.

Beispiel

Im folgenden Codebeispiel wird die Verwendung der ToString-Methode veranschaulicht.

Public Sub InternalMethod()
   Try
      Dim nestedClass As New ClassLevel2
      nestedClass.Level2Method()
   Catch e As Exception
      Console.WriteLine(" InternalMethod exception handler")
      
      ' Build a stack trace from one frame, skipping the 
      ' current frame and using the next frame.  By default,
      ' file and line information are not displayed.
      Dim st As New StackTrace(New StackFrame(1))
      Console.WriteLine(" Stack trace for next level frame: {0}", _
         st.ToString())
      Console.WriteLine(" Stack frame for next level: ")
      Console.WriteLine("   {0}", st.GetFrame(0).ToString())
      
      Console.WriteLine(" Line Number: {0}", _
         st.GetFrame(0).GetFileLineNumber().ToString())
      
      Console.WriteLine()
      Console.WriteLine("   ... throwing exception to next level ...")
      Console.WriteLine("-------------------------------------------------")
      Console.WriteLine()
      Throw e
   End Try
End Sub 'InternalMethod

public void InternalMethod()
{
   try
   {
      ClassLevel2 nestedClass = new ClassLevel2();
      nestedClass.Level2Method();
   }
   catch (Exception e)
   {
      Console.WriteLine(" InternalMethod exception handler");

      // Build a stack trace from one frame, skipping the
      // current frame and using the next frame.  By
      // default, file and line information are not displayed.
      StackTrace st = new StackTrace(new StackFrame(1));
      Console.WriteLine(" Stack trace for next level frame: {0}",
         st.ToString());
      Console.WriteLine(" Stack frame for next level: ");
      Console.WriteLine("   {0}", st.GetFrame(0).ToString());

      Console.WriteLine(" Line Number: {0}",
         st.GetFrame(0).GetFileLineNumber().ToString());

      Console.WriteLine();
      Console.WriteLine("   ... throwing exception to next level ...");
      Console.WriteLine("-------------------------------------------------\n");
      throw e;
   }
}

void InternalMethod()
{
   try
   {
      ClassLevel2^ nestedClass = gcnew ClassLevel2;
      nestedClass->Level2Method();
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( " InternalMethod exception handler" );
      
      // Build a stack trace from one frame, skipping the
      // current frame and using the next frame.  By
      // default, file and line information are not displayed.
      StackTrace^ st = gcnew StackTrace( gcnew StackFrame( 1 ) );
      Console::WriteLine( " Stack trace for next level frame: {0}", st->ToString() );
      Console::WriteLine( " Stack frame for next level: " );
      Console::WriteLine( "   {0}", st->GetFrame( 0 )->ToString() );
      Console::WriteLine( " Line Number: {0}", st->GetFrame( 0 )->GetFileLineNumber().ToString() );
      Console::WriteLine();
      Console::WriteLine( "   ... throwing exception to next level ..." );
      Console::WriteLine( "-------------------------------------------------\n" );
      throw e;
   }

}

public void InternalMethod() throws System.Exception
{
    try {
        ClassLevel2 nestedClass = new ClassLevel2();
        nestedClass.Level2Method();
    }
    catch (System.Exception e) {
        Console.WriteLine(" InternalMethod exception handler");

        // Build a stack trace from one frame, skipping the
        // current frame and using the next frame.  By
        // default, file and line information are not displayed.

        StackTrace st = new StackTrace(new StackFrame(1));
        Console.WriteLine(" Stack trace for next level frame: {0}", 
            st.ToString());
        Console.WriteLine(" Stack frame for next level: ");
        Console.WriteLine("   {0}", st.GetFrame(0).ToString());
        Console.WriteLine(" Line Number: {0}", 
            Convert.ToString(st.GetFrame(0).GetFileLineNumber()));
        Console.WriteLine();
        Console.WriteLine(" ... throwing exception to next level...");
        Console.WriteLine("-------------------------------------------"
            + "------\n");
        throw e;
    }
} //InternalMethod

.NET Framework-Sicherheit

• FileIOPermission  für den Zugriff auf Pfadinformationen. Zugeordnete Enumeration: PathDiscovery.

Plattformen

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.

Versionsinformationen

.NET Framework

Unterstützt in: 2.0, 1.1, 1.0

Siehe auch

Referenz

StackFrame-Klasse
StackFrame-Member
System.Diagnostics-Namespace