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DefaultTraceListener.LogFileName Property

Gets or sets the name of a log file to write trace or debug messages to.

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

public string LogFileName { get; set; }

Property Value

Type: System.String
The name of a log file to write trace or debug messages to.

The following code example creates a new DefaultTraceListener, adds it to the Trace.Listeners collection, and sets the LogFileName property to the log file specified in the command-line arguments.

// Create and add a new default trace listener.
DefaultTraceListener defaultListener;
defaultListener = new DefaultTraceListener();
Trace.Listeners.Add(defaultListener);

// Assign the log file specification from the command line, if entered. 
if (args.Length>=2)
{
    defaultListener.LogFileName = args[1];
}

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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