The following code:
以下代码:
static void Main(string[] args)
{
TraceSource ts = new TraceSource("MyApplication");
ts.Switch = new SourceSwitch("MySwitch");
ts.Switch.Level = SourceLevels.All;
ts.Listeners.Add(new TextWriterTraceListener(Console.Out));
ts.TraceInformation("Hello World");
Console.ReadKey();
}
static void Main(