ButtonStates.cs

using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace BuzzIO
{
    /// <summary>
    /// Class which defines the state of the buttons
    /// </summary>
    public class ButtonStates
    {
        /// <summary>True if red pressed</summary>
        public bool Red;
        /// <summary>True if blue pressed</summary>
        public bool Blue;
        /// <summary>True if orange pressed</summary>
        public bool Orange;
        /// <summary>True if green pressed</summary>
        public bool Green;
        /// <summary>True if yellow pressed</summary>
        public bool Yellow;

        public bool Any
        {
            get { return Red || Blue || Orange || Green || Yellow; }
        }

        public override string ToString()
        {
            var list = new List<string>();
            if (Red)
                list.Add("Red");

            if (Blue)
                list.Add("Blue");

            if (Orange)
                list.Add("Orange");

            if (Green)
                list.Add("Green");

            if (Yellow)
                list.Add("Yellow");

            return string.Join(", ", list);
        }
    }
}