public static CalculatorFactory GetInstance()
{
if (instance == null)
{
instance = new CalculatorFactory();
}
return(instance);
}
private void Form1_Load(object sender, EventArgs e)
{
eventProcessor = Framework.GetEventProcessor();
eventProcessor.Subscribe(this);
eventSaver = Framework.GetEventSaver();
revertManager = new RevertManager();
CalculatorFactory.GetInstance().CreateCalculator();
}