using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        bool[] checkboxes = { false, true, true, false };

        var selected = checkboxes

                            .Reverse()

                            .Select((s, i) => new { IsChecked = s, Index = Math.Pow(10, i) })                           

                            .Where(w => w.IsChecked)

                            .Sum(s => s.Index);

​

        Dictionary<double, Action<double>> keyValuePairs = new Dictionary<double, Action<double>>

        {

            // this will represent false, false, false, true

            { 0001,  YourMethod },

            // this will represent false, false, true, false

            { 0010,  YourMethod },

            // etc

            { 0011,  YourMethod  },

            { 0100,  YourMethod  },

            { 0101,  YourMethod  },

            { 0110,  YourMethod  },

            { 0111,  YourMethod  },

            { 1000,  YourMethod  },

            { 1001,  YourMethod  },

            { 1010,  YourMethod  },

            { 1011,  YourMethod  },

            { 1100,  YourMethod  },

            { 1101,  YourMethod  },

            { 1110,  YourMethod  },

            { 1111,  YourMethod  },

        };

​

        keyValuePairs[selected](selected);

    }

    // You can set different method for each one

    static void YourMethod(double val)

    {

        Console.WriteLine(val);

    }

}