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Log Class

Note: This class is new in the .NET Framework version 2.0.

Provides a property and methods for writing event and exception information to the application's log listeners.

Namespace: Microsoft.VisualBasic.Logging
Assembly: Microsoft.VisualBasic (in microsoft.visualbasic.dll)

public class Log
public class Log
public class Log

For more detailed information, see the Visual Basic topic My.Application.Log Object.

The My.Application.Log object provides a straightforward entry point from which to access the .NET Framework's logging services. The WriteEntry and WriteException methods write messages to the application's log listeners. The listeners can be configured by the application's configuration file. For more information, see Walkthrough: Changing Where My.Application.Log Writes Information and Working with Application Logs in Visual Basic.

The My.Application.Log object is available only for client applications. For Web applications, use My.Log. For more information, see My.Log Object.

The following table lists examples of tasks involving the My.Application.Log object.

To

See

Write event information to the application's log listeners

How to: Write Log Messages

Write exception information to the application's log listeners

How to: Log Exceptions in Visual Basic

Determine where My.Application.Log writes information

Walkthrough: Determining Where My.Application.Log Writes Information

This example shows how to use the My.Application.Log.WriteEntry method to log tracing information. For more information, see How to: Write Log Messages.

Public Sub TracingTest(ByVal fileName As String)
    My.Application.Log.WriteEntry( _
        "Entering TracingTest with argument " & _
        fileName & ".")
    ' Code to trace goes here.
    My.Application.Log.WriteEntry( _
        "Exiting TracingTest with argument " & _
        fileName & ".")
End Sub

System.Object
  Microsoft.VisualBasic.Logging.Log
     Microsoft.VisualBasic.Logging.AspLog

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0

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