private static void CombineDelegates()
{
CalculatorDelegate calc =
(CalculatorDelegate)Delegate.Combine(new CalculatorDelegate[] {
Add, Subtract, Multiply, Divide
});
Delegate[] list = calc.GetInvocationList();
Console.WriteLine($"Total delegates in calc: {list.Length}");
calc(6, 3);
}
private static void RemoveDelegate()
{
CalculatorDelegate divDel = Divide;
CalculatorDelegate calc =
(CalculatorDelegate)Delegate.Combine(new CalculatorDelegate[] {
Add, Subtract, Multiply, Divide
});
Delegate[] list = calc.GetInvocationList();
Console.WriteLine($"Total delegates in calc: {list.Length}");
calc(6, 3);
CalculatorDelegate newCalc =
(CalculatorDelegate)Delegate.Remove(calc, divDel);
Console.WriteLine($"Total delegates in calc: {newCalc.GetInvocationList().Length}");
newCalc(6, 4);
}