public OneQuestionAndAnswers ShuffleAnswers(OneQuestionAndAnswers oneQuest)
{
List <string> copyQuest = new List <string>();
//OneQuestionAndAnswers copyQuest = new OneQuestionAndAnswers(oneQuest.Question,oneQuest.Answer1,
// oneQuest.Answer2, oneQuest.Answer3, oneQuest.Answer4, oneQuest.CorrectAnswer);
int n = 4;
copyQuest.Add(oneQuest.Answer1);
copyQuest.Add(oneQuest.Answer2);
copyQuest.Add(oneQuest.Answer3);
copyQuest.Add(oneQuest.Answer4);
while (n > 1)
{
n--;
int k = rng.Next(n + 1);
string value = copyQuest[k];
copyQuest[k] = copyQuest[n];
copyQuest[n] = value;
}
copyQuest.Add(oneQuest.Question);//в самом конце записываем текущий вопрос
return(new OneQuestionAndAnswers(copyQuest[4], copyQuest[0],
copyQuest[1], copyQuest[2], copyQuest[3], oneQuest.Answer1));
}
public void EditQuest(int index, OneQuestionAndAnswers q)
{
if (index < 0 || index >= listQA.Count)
{
return;
}
listQA.Remove(listQA[index]);
listQA.Insert(Convert.ToInt32(CurIndexOfQuest), q);
}
public List <OneQuestionAndAnswers> ShuffleQuest(List <OneQuestionAndAnswers> allList)
{
List <OneQuestionAndAnswers> copyList = new List <OneQuestionAndAnswers>();
copyList = allList;
int n = allList.Count;
while (n > 1)
{
n--;
int k = rng.Next(n + 1);
OneQuestionAndAnswers value = copyList[k];
copyList[k] = copyList[n];
copyList[n] = value;
}
return(copyList);
}
public void AddQuest(OneQuestionAndAnswers q)
{
this.listQA.Add(q);
index++;
}