public Calculator(DataSet dataSet)
{
// Attach this
OperationalData = dataSet;
// Subscribe to Data change events.
OperationalData.DataChanged += Addition;
OperationalData.DataChanged += Subtract;
OperationalData.DataChanged += Multiplication;
OperationalData.DataChanged += Division;
}
public CalculatorViewModel()
{
CalculationData = new DataSet();
CalculationData.A = 45;
CalculationData.B = 9;
Calculator = new Calculator(CalculationData);
Calculator.Add = 12;
Calculator.Sub = 21;
Calculator.Mul = 12;
Calculator.Div = 21;
}
private static void Main(string[] args)
{
var data = new DataSet();
data.A = 3;
data.B = 4;
var calculator = new Calculator(data);
data.A = 6; // This will
// Unsubscribe from all events.
calculator.Dispose();
}