TraceListenerCollection.Add Method

Adds a TraceListener to the list.

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

public int Add(
	TraceListener listener
)

Parameters

listener
Type: System.Diagnostics.TraceListener

A TraceListener to add to the list.

Return Value

Type: System.Int32
The position at which the new listener was inserted.

The following example creates a TextWriterTraceListener that outputs to the console screen. The code then adds the new listener to the Trace.Listeners.

/* Create a listener, which outputs to the console screen, and 
  * add it to the trace listeners. */
 TextWriterTraceListener myWriter = new TextWriterTraceListener();
 myWriter.Writer = System.Console.Out;
 Trace.Listeners.Add(myWriter);
 

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0
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