C#

public partial class rado : UserControl
    {
     
  
        protected internal List<RadioButton> rd = new List<RadioButton>();
        public List<RadioButton> Rd
        {
            get
            {
                return rd;
            }
            set
            {
          
                rd=value;
                dro();
            }
        }
        public RadioButton this[int index]
        {
            get
            {
                return rd[index];
            }
            set
            {

                rd[index] = value;

            }
        }

        public rado()
        {
            InitializeComponent();
        }
      
        private void dro()
        {
            this.Controls.Clear();
            for (int i = 0; i < rd.Count; i++)
            {
                this.Controls.Add(rd[i]);
            }   
        }
        
      
    }

//Dictation recognizer
System.Speech.Recognition.SpeechRecognizer _recognizer = new SpeechRecognizer();

//context Dictation 
DictationGrammar dictGrammarContext = new DictationGrammar("grammar:dictation");
   
dictGrammarContext.Name = "Contextual Dictation Grammar";
dictGrammarContext.Enabled = true;

_recognizer.LoadGrammar(dictGrammarContext);
_recognizer.SpeechRecognized += new EventHandler<speechrecognizedeventargs>(DictReco_Event);
_recognizer.SpeechHypothesized += new EventHandler<speechhypothesizedeventargs>(DictHypo_Event);
</speechhypothesizedeventargs></speechrecognizedeventargs>