private void btnEqual_Click(object sender, System.EventArgs e)
{
int operatorY = Convert.ToInt32(txtBoxResult.Text);
if (intoperation == 1)
{
//delegateObj = Add;
DelegateCalculator delegateObj = Add;
int result = delegateObj(operatorX, operatorY);
txtBoxResult.Text = result.ToString();
}
else if (intoperation == 2)
{
DelegateCalculator obj = Sub;
int result = obj(operatorX, operatorY);
txtBoxResult.Text = result.ToString();
}
else if (intoperation == 3)
{
DelegateCalculator obj = Multi;
int result = obj(operatorX, operatorY);
txtBoxResult.Text = result.ToString();
}
else if (intoperation == 4)
{
DelegateCalculator obj = Div;
int result = obj(operatorX, operatorY);
txtBoxResult.Text = result.ToString();
}
}
public void Test_AverageByMean_ByDelegate()
{
double expected = 8.3636363;
double actual = DelegateCalculator.MethodMean(values);
Assert.AreEqual(expected, actual, 0.000001);
}
static void Main(string[] args)
{
do
{
Console.WriteLine("Enter frist number: ");
int a = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter secound number");
int b = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("1.Add\n2.Subtraction\n3.Multiplication\n4.Divison");
int menu = Convert.ToInt32(Console.ReadLine());
DelegateCalculator dc = new DelegateCalculator(Add);
int result = 0;
switch (menu)
{
case 1:
result = dc.Invoke(a, b);
break;
case 2:
dc += Subtraction;
result = dc.Invoke(a, b);
break;
case 3:
dc += Multiplication;
result = dc.Invoke(a, b);
break;
case 4:
dc += Division;
result = dc.Invoke(a, b);
break;
}
Console.WriteLine("Result: " + result);
Console.WriteLine("Exit y/n");
} while (Console.ReadLine() != "y");
}
public static int Sum(int a, int b)
{
DelegateCalculator delegateSum = (i, i1) => a + b;
return(delegateSum(a, b));
}
public static int Div(int a, int b)
{
DelegateCalculator delegateDiv = (i, i1) => a / b;
return(delegateDiv(a, b));
}
public static int Mul(int a, int b)
{
DelegateCalculator delegateMul = (i, i1) => a * b;
return(delegateMul(a, b));
}
public static int Sub(int a, int b)
{
DelegateCalculator delegateSub = (i, i1) => a - b;
return(delegateSub(a, b));
}
