private void AddGuesses()
{
nodeController.AddGuess(new GameNode((GameNode.Color)cmbBoxColor1.SelectedItem, 1));
nodeController.AddGuess(new GameNode((GameNode.Color)cmbBoxColor2.SelectedItem, 2));
nodeController.AddGuess(new GameNode((GameNode.Color)cmbBoxColor3.SelectedItem, 3));
nodeController.AddGuess(new GameNode((GameNode.Color)cmbBoxColor4.SelectedItem, 4));
}