Using Switches to Control Debug and Trace : Debug : Development C# Examples

    
//  compile  with:  csc  /r:system.dll  file_1.cs
using  System;
using  System.Diagnostics;

class  MyClass
{
        public  MyClass(int  i)
        {
                this.i  =  i;
        }
        
        [Conditional("DEBUG")]
        public  void  VerifyState()
        {
                Debug.WriteLineIf(debugOutput.TraceInfo,  "VerifyState  Start");
                
                Debug.WriteLineIf(debugOutput.TraceVerbose,  "Starting  field  verification");
                
                if  (debugOutput.TraceInfo)
                Debug.WriteLine("VerifyState  End");
        }
        
        static  TraceSwitch  debugOutput  =    new  TraceSwitch("MyClassDebugOutput",  "Control  debug  output");
        int  i  =  0;
}

class  MainClass
{
        public  static  void  Main()
        {
                Debug.Listeners.Clear();
                Debug.Listeners.Add(new  TextWriterTraceListener(Console.Out));
                MyClass  c  =  new  MyClass(1);
                
                c.VerifyState();
        }
}