private void BtnMul_Click(object sender, RoutedEventArgs e)
{
if (IsInputValid())
{
Mul?.Invoke(this, new ButtonClickEventArgs(Model.Operations.Mul));
}
}
private void mul_Click(object sender, EventArgs e)
{
FirstNum = boxFirstNum.Text;
SecondNum = boxSecondNum.Text;
Mul.Invoke(sender, e);
boxSecondNum.Text = "Результат = " + MulResult;
boxFirstNum.Text = "Умножаем " + FirstNum + " на " + SecondNum;
boxSecondNum.ReadOnly = true;
boxFirstNum.ReadOnly = true;
lowLevelLog.Text = LowLog;
mul.Enabled = false;
}