private void lblSuma_Click(object sender, EventArgs e)
{
double n1 = Convert.ToDouble(txtn1.Text);
double n2 = Convert.ToDouble(txtn2.Text);
Operaciones op = new Operaciones();
lblResultado.Text = (op.suma(n1, n2)).ToString();
}
public double seleccion(int seleccion)
{
double num1, num2;
Console.Write("numero 1:");
num1 = double.Parse(Console.ReadLine());
Console.Write("numero 2:");
num2 = double.Parse(Console.ReadLine());
switch (seleccion)
{
case 1:
return(operacion.suma(num1, num2));
default:
return(0);
}
}