private void RandomizeButtons()
{
buttons.Clear();
List <ExpressionAnswer> expression_answers = Enum.GetValues(typeof(ExpressionAnswer)).Cast <ExpressionAnswer>().ToList();
while (expression_answers.Count > 0)
{
int num = rng.Next(expression_answers.Count);
Button button = button_list[buttons.Count];
ExpressionAnswer answer = expression_answers[num];
expression_answers.RemoveAt(num);
buttons.Add(button, answer);
}
ChangeButtonsLanguage(chosen_language);
}
private void answer_button_Click(object sender, EventArgs e)
{
Button button = (Button)sender;
ExpressionAnswer answer = buttons[button];
if (current_expression.Answer(answer))
{
++correct_answers;
}
else
{
++wrong_answers;
}
UpdateLabels();
StartShowingImage();
}
public bool Answer(ExpressionAnswer answer)
{
return(answer == CorrectAnswer);
}