C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
using System.Linq;
using System.Linq.Expressions;
					
public class Program
{
	public class SubClass
	{
		public void MyMethod(string name, int value)
		{
	
		}
	}
	
	public static void Main(string[] args)
	{
		Console.WriteLine(
			MethodProcessor.CreateStringForCall&lt;SubClass&gt;(
			(o)=&gt;o.MyMethod("theName",4)));
	}

}

class MethodProcessor
{
    public static string CreateStringForCall&lt;T&gt;(Expression&lt;Action&lt;T&gt;&gt; methodCall)
    {
        var exp = methodCall.Body as MethodCallExpression;
        var retVal = string.Concat(exp.Method.Name, "/",
            string.Join("/", exp.Arguments.Cast&lt;ConstantExpression&gt;().Select(a =&gt; a.Value.ToString())));
        return retVal;
    }
}

​x
 
using System;
using System.Linq;
using System.Linq.Expressions;
                    
public class Program
{
    public class SubClass
    {
        public void MyMethod(string name, int value)
        {
    
        }
    }
    
    public static void Main(string[] args)
    {
        Console.WriteLine(
            MethodProcessor.CreateStringForCall&lt;SubClass&gt;(
            (o)=&gt;o.MyMethod("theName",4)));
    }
​
}
​
class MethodProcessor
{
    public static string CreateStringForCall&lt;T&gt;(Expression&lt;Action&lt;T&gt;&gt; methodCall)
    {
        var exp = methodCall.Body as MethodCallExpression;
        var retVal = string.Concat(exp.Method.Name, "/",
            string.Join("/", exp.Arguments.Cast&lt;ConstantExpression&gt;().Select(a =&gt; a.Value.ToString())));
        return retVal;
    }
}
​

Compilation error (line 26, col 45): ; expected
Compilation error (line 26, col 48): Invalid token ';' in class, struct, or interface member declaration
Compilation error (line 26, col 50): Invalid token '&' in class, struct, or interface member declaration
Compilation error (line 26, col 53): Invalid token ';' in class, struct, or interface member declaration
Compilation error (line 26, col 65): Invalid token '&' in class, struct, or interface member declaration
Compilation error (line 26, col 68): Invalid token ';' in class, struct, or interface member declaration
Compilation error (line 26, col 75): Invalid token '&' in class, struct, or interface member declaration
Compilation error (line 26, col 78): Invalid token ';' in class, struct, or interface member declaration
Compilation error (line 26, col 80): Invalid token '&' in class, struct, or interface member declaration
Compilation error (line 26, col 83): Invalid token ';' in class, struct, or interface member declaration
Compilation error (line 26, col 87): Invalid token ';' in class, struct, or interface member declaration
Compilation error (line 26, col 99): Invalid token ')' in class, struct, or interface member declaration
Compilation error (line 30, col 51): ) expected
Compilation error (line 30, col 70): Invalid token '&' in class, struct, or interface member declaration
Compilation error (line 30, col 73): Invalid token ';' in class, struct, or interface member declaration
Compilation error (line 30, col 77): Method must have a return type
Compilation error (line 30, col 86): Identifier expected
Compilation error (line 30, col 90): ) expected
Compilation error (line 30, col 108): Invalid token '(' in class, struct, or interface member declaration
Compilation error (line 31, col 22): Invalid token ';' in class, struct, or interface member declaration
Compilation error (line 33, col 1): Type or namespace definition, or end-of-file expected

Last Run:	3:06:42 pm
Compile:	0s
Execute:	0.031s
Memory:	0b
CPU:	0s

View IL Code