private void simpleButton1_Click(object sender, EventArgs e)
{
eeprom.Vin = textEdit3.Text;
eeprom.Immo = textEdit1.Text;
eeprom.ImmoActive = checkEdit1.Checked;
eeprom.Key = Convert.ToInt32(textEdit4.Text);
eeprom.UpdateFile(_filename);
DialogResult = DialogResult.OK;
this.Close();
}