using System;

public class Program

{

    public static void Main()

    {

        var audienceType = "type1";

        var otherAudience = new Audience();

        switch (audienceType) {

            case otherAudience.AudienceTypeOne:

                // do something;

                break;

            case otherAudience.AudienceTypeTwo:

                // do something;

                break;

            case otherAudience.AudienceTypeThree:

                // do something;

                break;

            default:

                // Yah

        }

    }

}

​

public class Audience {

    private string[] _audienceType = {

        "type1",

        "type2",

        "type3"

    };

    public string AudienceTypeOne {

        get {

            return _audienceType[0];

        }

    }

    public string AudienceTypeTwo {

        get {

            return _audienceType[1];

        }

    }

    public string AudienceTypeThree {

        get {

            return _audienceType[2];

        }

    }

}