examen6(datomayor y menos)_consola y windows

PSEUDOCODIGO
double n, valor, mayor=0, menor=0, c = 1,x;
PRINT("Cantidad de numeros");
READ n
PRINT(" introduce un valor entero");
READ valor
mayor = valor;
menor = valor;
c = 1;
while (c < n)
{
PRINT("introduce un valor entero");
READvalor
if (valor > mayor)
{
do
{


PRINT( mayor);
x = x + mayor;
}while(mayor = 2; mayor <= n; mayor = mayor + 2);

mayor = valor;

}
if (valor < menor)
{
menor = valor;
}
c = c + 1;
}
PRINT("el numero mayor es:{0}", mayor);
PRINT("el numero menor es:{0}", menor);
FINAL

CODIGO EN CONSOLA
double n, valor, mayor=0, menor=0, c = 1,x;
Console.WriteLine("Cantidad de numeros");
n = int.Parse(Console.ReadLine());
Console.WriteLine(" introduce un valor entero");
valor = int.Parse(Console.ReadLine());
mayor = valor;
menor = valor;
c = 1;
while (c < n)
{
Console.WriteLine("introduce un valor entero");
valor = int.Parse(Console.ReadLine());
if (valor > mayor)
{
do
{


Console.Write("\n{0}", mayor);
x = x + mayor;
}while(mayor = 2; mayor <= n; mayor = mayor + 2);

mayor = valor;

}
if (valor < menor)
{
menor = valor;
}
c = c + 1;
}
Console.WriteLine("el numero mayor es:{0}", mayor);
Console.WriteLine("el numero menor es:{0}", menor);
Console.ReadKey();



CODIGO EN WINDOWS:
public partial class Form1 : Form
{int N, valor, may, men, c = 1;
public Form1()
{
InitializeComponent();
}

private void button1_Click(object sender, EventArgs e)
{
N = int.Parse(textBox1.Text);
valor=int.Parse(textBox2.Text);
textBox2.Focus();
textBox2.Clear();

if (c <= N)
{


listBox1.Items.Add(valor);

if (valor > may)
{
may = valor;
}
if (valor < men)
{
men = valor;
}

c = c + 1;
}

else
{
textBox2.Clear();
textBox2.Enabled = false;
button1.Enabled = false;
}
}

private void button2_Click(object sender, EventArgs e)
{
label3.Text = "El dato mayor es:" + may.ToString();
label4.Text = "El dato menor es:" + men.ToString();
}