using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class frmVector : Form
    {
        
        #region ATRIBUTOS
        int dimension = 0;
        double S, prom;
       
        #endregion ATRIBUTOS
 
        #region CONSTRUCTORES

        public frmVector()
        {
            InitializeComponent();
        }
        #endregion CONSTRUCTORES
 
        #region METODOS
         
       
        public void ActivarGrilla()
        {
            int i, j;
            i = 0;
            if (int.TryParse(txtDim.Text, out dimension))
            {
              dgvVector.ColumnCount = dimension;
              dgvVector.Visible = true;
              dgvVector.RowCount = 1;

                for (j = dimension - 1; j >= 0; j--)
                {
                    dgvVector.Columns[j].HeaderText = (j + 1).ToString();
                    dgvVector.Columns[j].Width = 30;
                    dgvVector.Rows[i].Height = 30;
                    //---poner valor por defecto
                    dgvVector[j, i].Value = "1";
                }
            }
        }
 
       
 
        public void ProcesarSumar()
        {
            // aca crea  vector
            double[] Vec = new double[dimension];
            for (int ii = 0; ii <= dimension - 1; ii++ )
            {
                   Vec [ii] = Convert.ToDouble(dgvVector[ii,0].Value);
            }
           // calcula suma y promedio          
            S = 0;
            prom = 0;
            for (int i = 0; i < dimension; i++)
            {
                S = S + Vec[i];
            }
            prom = S / dimension;
            txtSuma.Text = Convert.ToString(S);
            txtProm.Text = Convert.ToString(Math.Round(prom, 4));
        }
        
        #endregion METODOS
       
        private void btnSalir_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void txtDim_Leave(object sender, EventArgs e)
        {
            ActivarGrilla();

        }

        private void btnSumar_Click(object sender, EventArgs e)
        {
            ProcesarSumar();
        }

        private void frmVector_Load(object sender, EventArgs e)
        {

        }

       
         
        
    }
}