param

CSharp · Console

/Program.cs

using System;
					
public class Program
{
	public static void Main()
	{
		int time = 8,someaction=12;
		object param = 2;
		Console.WriteLine("When object is null ");
		string message = String.Format("Time: {0}, Action: {1}{2}", time,someaction,param==null?"": String.Format(", param : {0}",param) );
		
		Console.WriteLine(message);
		
		Console.WriteLine("When object is not null");
		param= null;
		 message = String.Format("Time: {0}, Action: {1}{2}", time,someaction,param==null?"": String.Format(", param : {0}",param) );
		Console.WriteLine(message);
	}
}