private void ResTxt1_KeyPress(object sender, KeyPressEventArgs e)
{
resultLbl.Text = null;
if ((e.KeyChar > 47 && e.KeyChar < 58) && num11.Text != null)
{
ResTxt2.Focus();
}
else if (e.KeyChar < 48 || e.KeyChar > 57)
{
e.KeyChar = (char)0;
resultLbl.Text = "введите цифру";
ResTxt1.Focus();
}
}
private void Button2_Click(object sender, EventArgs e)
{
DialogResult result = MessageBox.Show("Сбросить набранные очки?", "Сброс", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
progressBar1.Value = 0;
winCount = 0;
WinsTxtBox.Text = winCount.ToString();
Start();
}
else
{
ResTxt1.Focus();
}
}
//обработка неправильных ответов
private void ErrorFun()
{
errCount++;
ErrorTxtBox.Text = errCount.ToString();
if (errCount < 6)
{
resultLbl.Text = "Неправильно. Попробуй ещё раз";
ResTxt1.Text = null;
ResTxt2.Text = null;
ResTxt3.Text = null;
ResTxt4.Text = null;
ResTxt1.Focus();
}
else
{
errCount = 0;
ErrorTxtBox.Text = errCount.ToString();
winCount = 0;
progressBar1.Value = 0;
WinsTxtBox.Text = winCount.ToString();
Start();
}
}
//генерация примера
private void Start()
{
ResTxt1.Text = null;
ResTxt2.Text = null;
ResTxt3.Text = null;
ResTxt4.Text = null;
resultLbl.Text = null;
Random random = new Random();
try
{
if (MinOperandTxt.Text != null)
{
minOperand = Int32.Parse(MinOperandTxt.Text);
ResTxt1.Focus();
}
else
{
MessageBox.Show("Вы не ввели цифры");
MinOperandTxt.Focus();
}
}
catch
{
MessageBox.Show("Вы ввели не цифры!");
MinOperandTxt.Text = null;
MinOperandTxt.Focus();
}
try
{
if (MaxOperandTxt.Text != null)
{
maxOperand = Int32.Parse(MaxOperandTxt.Text);
ResTxt1.Focus();
}
else
{
MessageBox.Show("Вы не ввели цифры");
MaxOperandTxt.Focus();
}
}
catch
{
MessageBox.Show("Вы ввели не цифры!");
MaxOperandTxt.Text = null;
MaxOperandTxt.Focus();
}
int a = random.Next(minOperand, maxOperand);
int b = random.Next(minOperand, maxOperand);
num11.Text = a.ToString();
num21.Text = b.ToString();
switch (random.Next(1, 4))
{
case 1:
singLbl.Text = "+";
result = a + b;
break;
case 2:
singLbl.Text = "-";
result = a - b;
if (result < 0)
{
Start();
}
break;
case 3:
singLbl.Text = "+";
result = a + b;
break;
case 4:
singLbl.Text = "-";
result = a - b;
if (result < 0)
{
Start();
}
break;
}
}
private void ResTxt1_Click(object sender, EventArgs e)
{
ResTxt1.Clear();
}