C#

<code>

private void Speciality_SelectedIndexChanged(object sender, System.EventArgs e)
{
    select(Speciality.SelectedItem.Value.ToLower())
    {
         case "option 1":
           option1.Visible = true;
           break;
         
         case "option 2":
           option2.Visible = true;
           break;

         case "option 3":
           option3.Visible = true; 
            break;

         case "option 4":
            option4.Visible = true;
            break;

         case "option 5":
            option5.Visible = true;
            break;

         default:
            //In case you want to do something "else"
            break;
    }
}
</code>

private void Speciality_SelectedIndexChanged(object sender, System.EventArgs e)
		{	
			select(Speciality.SelectedItem.Value.ToLower()) 			
                        {
				case "Breast Surgery": 
			 SpecialityBreastSurgery.Visible = true;
			 break;
         
				case "Cardiology": 
			SpecialityCardiology.Visible = true;
			break;

				default:				//In case you want to do something "else"
				break;
			}
		}

<code>
private void Speciality_SelectedIndexChanged(object sender, System.EventArgs e)
{
    switch(Speciality.SelectedItem.Value.ToLower())
    {
        case "breast surgery":
           SpecialityBreastSurgery.Visible = true;
           break;

        case "cardiology":
	   SpecialityCardiology.Visible = true;
           break;

	default: //In case you want to do something "else"
        break;
    }
}
</code>

<code>
   private int currentPlayer = 0;
   private System.Windows.Forms.Timer t = new Timer();
   
   public void BeginSetupCards()
   {
      this.t.Interval = 3000; //this is 3 seconds (in milliseconds)
      this.t.Tick += new EventHandler(t_Tick); //Set up the "tick" method
   }

   private void t_Tick(object sender, EventArgs e)
   {
      // Do something 
      // use this.currentPlayer for the current player ID
      // Update the view
      updateview(); // It's a bad idea to update the form view from within a timer.  You should create an event delegate for the update and kick it off using Form.Invoke;
      
      this.currentPlayer++; // Add one to the current id
      if(this.currentPlayer >= (this.players.Length * 2))
      { 
         this.t.Stop();  //Stop this when done
      }

      //Now this code block will run every 3 seconds
   }
</code>