userOrder = new List<int>();
buttonOrder = new List<int>();
buttonFrequencyDict = new Dictionary<Button, int>();
buttonNumberButtonDict = new Dictionary<int, Button>();
buttonButtonNumberDict = new Dictionary<Button, int>();
randomizer = new Random();
int i = 0;

Button button=new Button();
foreach (Control o in this.Controls)
{
try
{
button = (Button)o;
}
catch (Exception)
{
//do nothing
}
if (button.Text.Length < 1)