part 9 in a series of stupid gists

7yearsofbadluck.cs

using System;
using System.Linq;

class Program
{
    static void Main()
    {

        var s = "hello";

        var result = s.Call<string>("Substring", 0, 4);

        Console.WriteLine(result);
        
        
        /* stupid because */
        dynamic s2 = s;
        string result2 = s2.Substring(0, 4);
        Console.WriteLine(result2);
    }
}

public static class ReflectionExtensions
{
    public static T Call<T>(this object o, string methodName, params object[] args)
    {
        var methodInfo = o.GetType().GetMethod(methodName, args.Select(x => x.GetType()).ToArray());
        return (T)methodInfo.Invoke(o, args);
    }
}