private void button1_Click(object sender, EventArgs e)
{
Dele temp = null;
try
{
switch (comboBox1.SelectedItem.ToString())
{
case "+": temp = new Dele(cal.Add); break;
case "-": temp = new Dele(cal.Sub); break;
case "*": temp = new Dele(cal.Mul); break;
case "/": temp = new Dele(cal.Div); break;
}
}
catch
{
MessageBox.Show("정상적으로 입력해 주세요");
}
if (temp != null && textBox2.Text != "0")
temp.Invoke(int.Parse(textBox1.Text), int.Parse(textBox2.Text));
}
static void Main(string[] args)
{
Dele d0 = (v) => Console.WriteLine(v);
d0.Invoke("OJC");
Dele d1 = new Dele(d);
d1.Invoke("OJC");
Dele d2 = d;
d2.Invoke("OJC");
Dele x = (z) => Console.WriteLine(z);
x("aaaa");
}
