In the preceding examples related to the
Debug class (and consequently related to the
Trace class too), we saw how to send the output of the debugger to the Output window. The .NET Framework enables sending the output to other targets, known as trace listeners. A trace listener is basically an object that “listens” to what is happening at debugging time and then collects information under various forms. For example, you could collect information as XML files or just send such information to the Output window. Both
Trace classes expose a property named
Listeners that represents a set of built-in listeners. Table 5.3 groups the .NET Framework built-in listeners.