public void HandleButton1()
{
if (State == CalculatorStates.Clear)
{
State = CalculatorStates.EnteringOperand1;
Operand1 = 1;
}
if (State == CalculatorStates.OperatorEntered)
{
State = CalculatorStates.EnteringOperand2;
Operand2 = 1;
}
SetDisplayText();
}
public void HandleButtonPlus()
{
State = CalculatorStates.OperatorEntered;
SetDisplayText();
}