Conditional Attribute Example

Logger.cs

using System.Diagnostics;
using System.Runtime.CompilerServices;

namespace ConditionalAttributeExample
{
    public static class Logger
    {
        public static void Log(string message,
                                 [CallerFilePath] string sourceFilePath = "",
                                 [CallerLineNumber] int sourceLineNumber = 0,
                                 [CallerMemberName] string callerMemberName = "")
        {
            Log($"[Message]: {message}; [Source File Path]: {sourceFilePath}; " +
                $"[Source Line Number]: {sourceLineNumber}; [Caller Member Name]: {callerMemberName}; ");
        }
 
        [Conditional("DEBUG")]
        public static void DebugLog(string message, [CallerMemberName] string callerMemberName = "")
        {
            Log($"[Message]: {message}; [Caller Member Name]: {callerMemberName};");
        }

        private static void Log(string message)
        {
            Debug.WriteLine(message);
        }
    }
}

Main.cs

namespace ConditionalAttributeExample
{
    class Program
    {
        static void Main(string[] args)
        {
            Logger.DebugLog("Member Start");

            // Perform operation
            Logger.Log("Testing logging inside Main() method");

            Logger.DebugLog("Member End");
        }
    }
}