Untitled

namespace PruebaVargas
{
    public partial class Form1 : Form
    {

        int contador = 0;

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void botonGrande_Click(object sender, EventArgs e)
        {
            contador++;
            label1.Text = contador.ToString();
        }
    }
}