/// <summary>
/// chooses randomly where the blank number will be and creates the equation.
/// </summary>
private void CreateQuestion()
{
picture_l1.Image = null;
picture_l2.Image = null;
picture_r1.Image = null;
picture_r2.Image = null;
picture_res1.Image = null;
picture_res2.Image = null;
picture_res3.Image = null;
int rightnum = rnd.Next(0, 11);
string chosen_number = RandomProbability.Choose(probabilities, numbers);
int leftnum = Int32.Parse(chosen_number);
Equation eq = new Equation(leftnum, rightnum, "right");
int blank = rnd.Next(0, 2);//chooses randomly which number box of the multiplication will be blank.
if (eq.left_mult_digits.Count == 2)
{
picture_l1.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.left_mult_digits[1]);
picture_l2.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.left_mult_digits[0]);
}
else
{
picture_l1.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.left_mult_digits[0]);
}
LeftNum.Value = leftnum;
if (blank == 0)//the right number box is blank.
{
ResultNum.Value = leftnum * rightnum;
RightNum.Value = 0;
if (eq.equal_digits.Count >= 2)
{
if (eq.equal_digits.Count == 3)
{
picture_res1.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.equal_digits[2]);
picture_res2.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.equal_digits[1]);
picture_res3.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.equal_digits[0]);
}
else
{
picture_res1.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.equal_digits[1]);
picture_res2.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.equal_digits[0]);
}
}
else
{
picture_res1.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.equal_digits[0]);
}
picture_r1.Image = Properties.Resources.questionmark;
picture_r1.Tag = "empty";
picture_r2.Tag = "empty";
picture_res1.Tag = "given";
picture_res2.Tag = "given";
picture_res3.Tag = "given";
}
else//the result box is blank.
{
ResultNum.Value = 0;
RightNum.Value = rightnum;
if (eq.right_mult_digits.Count == 2)
{
picture_r1.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.right_mult_digits[1]);
picture_r2.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.right_mult_digits[0]);
}
else
{
picture_r1.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.right_mult_digits[0]);
}
picture_res1.Image = Properties.Resources.questionmark;
picture_res1.Tag = "empty";
picture_res2.Tag = "empty";
picture_res3.Tag = "empty";
picture_r1.Tag = "given";
picture_r2.Tag = "given";
}
}
/// <summary>
/// chooses randomly where the blank number will be and creates the equation.
/// </summary>
private void CreateQuestion()
{
picture_l1.Image = null;
picture_l2.Image = null;
picture_r1.Image = null;
picture_r2.Image = null;
picture_res1.Image = null;
picture_res2.Image = null;
picture_res3.Image = null;
ThisQuestionNum++;
ThisQuestionsText.Text = ThisQuestionNum.ToString();
int rightnum = rnd.Next(0, 11);
int leftnum;
do
{
leftnum = rnd.Next(1, 11);
} while (done[leftnum - 1] == 1);
done[leftnum - 1] = 1;
if (!done.Contains(0))
{
Array.Clear(done, 0, done.Length);
}
Equation eq = new Equation(leftnum, rightnum, "right");
int blank = rnd.Next(0, 2);//chooses randomly which number box of the multiplication will be blank.
if (eq.left_mult_digits.Count == 2)
{
picture_l1.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.left_mult_digits[1]);
picture_l2.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.left_mult_digits[0]);
}
else
{
picture_l1.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.left_mult_digits[0]);
}
LeftNum.Value = leftnum;
if (blank == 0)//the right number box is blank.
{
ResultNum.Value = leftnum * rightnum;
RightNum.Value = 0;
if (eq.equal_digits.Count >= 2)
{
if (eq.equal_digits.Count == 3)
{
picture_res1.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.equal_digits[2]);
picture_res2.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.equal_digits[1]);
picture_res3.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.equal_digits[0]);
}
else
{
picture_res1.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.equal_digits[1]);
picture_res2.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.equal_digits[0]);
}
}
else
{
picture_res1.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.equal_digits[0]);
}
picture_r1.Image = Properties.Resources.questionmark;
picture_r1.Tag = "empty";
picture_r2.Tag = "empty";
picture_res1.Tag = "given";
picture_res2.Tag = "given";
picture_res3.Tag = "given";
}
else//the result box is blank.
{
ResultNum.Value = 0;
RightNum.Value = rightnum;
if (eq.right_mult_digits.Count == 2)
{
picture_r1.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.right_mult_digits[1]);
picture_r2.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.right_mult_digits[0]);
}
else
{
picture_r1.Image = (Image)Properties.Resources.ResourceManager.GetObject("num_" + eq.right_mult_digits[0]);
}
picture_res1.Image = Properties.Resources.questionmark;
picture_res1.Tag = "empty";
picture_res2.Tag = "empty";
picture_res3.Tag = "empty";
picture_r1.Tag = "given";
picture_r2.Tag = "given";
}
}