private void Button_Click(object sender, EventArgs e)
{
var button = sender as Button;
double number = 0;
if (double.TryParse(button.Text, out number))
{
if (OperationActive)
{
CalculatorField.Clear();
OperationActive = false;
}
if (CalculatorField.Text == "0" || CalculatorField.Text == "∞" || CalculatorField.Text == "-∞")
{
CalculatorField.Text = button.Text;
}
else
{
CalculatorField.Text += button.Text;
}
return;
}
switch (button.Text)
{
case "+":
OperationActive = true;
SetResult(ArithmeticOperations.GetResult(button.Text, double.Parse(CalculatorField.Text)));
break;
case "-":
OperationActive = true;
SetResult(ArithmeticOperations.GetResult(button.Text, double.Parse(CalculatorField.Text)));
break;
case "*":
OperationActive = true;
SetResult(ArithmeticOperations.GetResult(button.Text, double.Parse(CalculatorField.Text)));
break;
case "/":
OperationActive = true;
SetResult(ArithmeticOperations.GetResult(button.Text, double.Parse(CalculatorField.Text)));
break;
case "=":
SetResult(ArithmeticOperations.GetResult(button.Text, double.Parse(CalculatorField.Text)));
break;
case ".":
if (OperationActive)
{
return;
}
for (int i = 0; i < CalculatorField.Text.Length; i++)
{
if (CalculatorField.Text[i] == '.')
{
return;
}
}
CalculatorField.Text += ".";
break;
default:
MessageBox.Show("Что-то пошло не так...");
break;
}
}
private void ButtonDelete_Click(object sender, EventArgs e)
{
CalculatorField.Clear();
ArithmeticOperations.Reset();
CalculatorField.Text = "0";
}