private void cancel_Click(object sender, EventArgs e)
{
Sign_in sign_in = new Sign_in();
DialogResult result;
result = MessageBox.Show("Ви впевнений?", "Попередження", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (result == DialogResult.Yes)
{
this.Close();
sign_in.Show();
}
}
private void Head_FormClosed(object sender, FormClosedEventArgs e)
{
Sign_in signin = new Sign_in();
signin.Show();
}