private void OK_Button_Click(object sender, EventArgs e)
{
this.DialogResult = DialogResult.OK;
DateTime validity = DateTime.Now;
string Key = cn.Encrypt("KP" + DateTime.Now.Year);
if (Key == txtKey.Text)
{
Properties.Settings.Default.Registered = true;
Properties.Settings.Default.Validity = validity;
Properties.Settings.Default.Save();
if (Properties.Settings.Default.Validity.Add(new TimeSpan(360, 0, 0, 0, 0)) > DateTime.Now)
{
MetroSetForm main = new Login();
main.Show();
this.Hide();
}
else
{
MessageBox.Show("Re - active your software. (Contact To Developer)");
}
}
else
{
Properties.Settings.Default.Registered = false;
Properties.Settings.Default.Save();
MessageBox.Show("Invalid Key", "Activation Failed.", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
//txtKey.Text = Key;
}