public void Guess(string letter)
{
letter = letter.ToUpper();
// is it a valid guess? game still going, letter not guessed before?
if (!IsValidGuess(letter))
{
return;
}
// if letter isn't in word, then increase the number of incorrect guesses
if (!WordToGuess.ToUpper().Contains(letter))
{
NrOfIncorrectGuesses++;
}
GuessedLetters.Add(letter);
// has the word been solved?
if (HasWordBeenGuessed())
{
WordGuessed = true;
}
}