Jogo Memória

// Jogo da memória – resolução possível
using System;
using System.Drawing;
using System.Windows.Forms;
using System.Threading;
namespace memoria{
 public partial class inicio : Form {
 int[] nums = new int[20];
 int[] aux = new int[20];
 // Image[] imagens = new Image[100];
 int f = 0;
 int tag;
 PictureBox pic1, pic;
 public inicio() {
 InitializeComponent();
 }
 private void button1_Click(object sender, EventArgs e) {
 geraNumeros();
 CreatePic();
 Application.DoEvents();
 pausa();
 TapaPic(this.Controls);
 }
 private void geraNumeros(){
 int p, i = 1;
 Random rnd = new Random();
 while (i <= 8){
 p = rnd.Next(1, 9);
 if (nums[p] == 0){
 nums[p] = p;
 aux[i] = p;
 i++;
 }
 }
 //for (i = 1; i <= 8; i++)
 // imagens[i] = Properties.Resources.ResourceManager.GetObject("_" + aux[i]) as
Image;
 }
 private void CreatePic(){
 //tenho 8 imagens, mas a imagem 1 é igual à imagem 5
 // a imagem 2 igual à imagem 6, etc.
 int k = 1;
 int posx, posy;
 posy = 45;
 for (int i = 1; i <= 2; i++) {
 posx = 30;
 for (int j = 1; j <= 4; j++) {
 string name = "picture dinamica_" + k;
 PictureBox pic = new PictureBox();
 pic.Name = name;
 pic.Tag = aux[k];
 pic.Font = new Font("Georgia", 12);
 pic.Size = new System.Drawing.Size(60, 50);
 pic.Location = new System.Drawing.Point(posx, posy);
 pic.Image = Properties.Resources.ResourceManager.GetObject("_" + aux[k]) as
Image;
 pic.BackColor = Color.Black;
 pic.SizeMode = PictureBoxSizeMode.StretchImage;
 pic.Click += new EventHandler(this.picture_Click);
 Controls.Add(pic);
 k++;
 posx += 65;
 }
 posy += 65;
 }
 }
 protected void picture_Click(object sender, EventArgs e) {
 pic1 = (sender as PictureBox);
 if (f == 0){
 pic = pic1;
 tag = (int)(pic.Tag);
 pic.Image = Properties.Resources.ResourceManager.GetObject("_" + tag) as Image;
 f = 1;
 }
 else{
 pic1 = (sender as PictureBox);
 int t = (int)(pic1.Tag);
 pic1.Image = Properties.Resources.ResourceManager.GetObject("_" + t) as Image;
 Application.DoEvents();
 pausa();
 f = 0;
 if (t == tag + 4 || t == tag - 4){
 pic.Enabled = false;
 pic1.Enabled = false;
 }
 else{
 pic1.Image = Properties.Resources.ff2018;
 pic.Image = Properties.Resources.ff2018;
 }
 }
 }
 private void pausa() {
 Thread.Sleep(1000);
 // TimeSpan ts4 = new TimeSpan(4000);
 }
 private void TapaPic(Control.ControlCollection controles)
 {
 foreach (Control ctrl in controles) {
 if (ctrl is PictureBox) {
 ((PictureBox)(ctrl)).Image = Properties.Resources.ff2018;
 }
 }
 }
 }
}