private void LogIn(object sender, EventArgs e)
{
if (ButReg.Visible == true)
{
back.Visible = true;
}
else
{
back.Visible = false;
}
ButEnter.Hide();
ButReg.Hide();
WrName.Show();
WrPass.Show();
Enter.Show();
Enter1.Show();
Okenter.Show();
Okreg.Hide();
WrName.Clear();
WrPass.Clear();
}