// Invoked when = is entered.
void OnCalculated(EquationAnswer answer, double number)
{
string equationMessage = string.Format("{0} {1} {2} {3} ",
Equation.Instance.Operand1, Equation.Instance.Operation.Symbol, Equation.Instance.Operand2, Constants.EqualsSign);
textBox.Text = equationMessage;
}
void EquationCalculated(EquationAnswer answer, double number)
{
// If the outcome is a division by 0, use an error text.
// Otherwise use the answer.
switch (answer)
{
case EquationAnswer.DivideBy0:
SetNumber(Constants.DividedByZero);
break;
default:
SetNumber(number.ToString());
break;
}
}
// Invoked every time a calculation or rounding is performed.
void CopyToClipboard(EquationAnswer answer, double number)
{
if (answer == EquationAnswer.DivideBy0)
{
// If it's a division by 0, do not copy anything to clipboard but reset the textbox.
NumberEvents.CopiedToClipboard(string.Empty);
return;
}
string validAnswer = number.ToString();
// Copy the number to the clipboard and show a message that a number has been copied.
Clipboard.SetText(validAnswer);
NumberEvents.CopiedToClipboard(validAnswer);
//OutputEvents.UpdateClipboardMessage(String.Format(Constants.CopyToClipboard, result));
//Need to save the copied value so it won't be pasted back into the calculator.
lastPastedValue = validAnswer;
}
public static void EquationCalculated(EquationAnswer answer, double number) => OnEquationCalculated?.Invoke(answer, number);
