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TraceOptions Enumeration

Specifies trace data options to be written to the trace output.

This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.

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

[FlagsAttribute]
public enum TraceOptions

Member nameDescription
NoneDo not write any elements.
LogicalOperationStackWrite the logical operation stack, which is represented by the return value of the CorrelationManager.LogicalOperationStack property.
DateTimeWrite the date and time.
TimestampWrite the timestamp, which is represented by the return value of the GetTimestamp method.
ProcessIdWrite the process identity, which is represented by the return value of the Process.Id property.
ThreadIdWrite the thread identity, which is represented by the return value of the Thread.ManagedThreadId property for the current thread.
CallstackWrite the call stack, which is represented by the return value of the Environment.StackTrace property.

This enumeration is used by trace listeners to determine which options, or elements, should be included in the trace output. Trace listeners store the trace options in the TraceOutputOptions property.

The following example shows the use of the traceOutputOptions attribute to specify the trace output options for a ConsoleTraceListener that is enabled using a configuration file.

<configuration>
  <system.diagnostics>
    <trace autoflush="false" indentsize="4">
      <listeners>
        <add name="consoleListener"
          type="System.Diagnostics.ConsoleTraceListener" 
          traceOutputOptions="ProcessId, DateTime" />
      </listeners>
    </trace>
  </system.diagnostics>
</configuration>

For details about adding trace listeners to the application configuration file, see <listeners> Element for <trace>.

The TraceOptions enumeration is not used by the following classes and methods:

The following code example shows the use of the TraceOptions enumeration to programmatically set the TraceOutputOptions property for a console trace listener. The console trace listener is one of the listeners enumerated in the Listeners property of a trace source. This code example is part of a larger example provided for the TraceSource class.

ts.Listeners["console"].TraceOutputOptions |= TraceOptions.Callstack;

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0
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