private void BtnCreate_Click(object sender, EventArgs e)
{
string type = tbType.Text;
double business = Convert.ToDouble(nmBusiness.Value);
int economy = Convert.ToInt32(nmEconomy.Value);
int businessPerc = Convert.ToInt32(business + (business / 100 * 40));
if (FlightInformation.GetPlane(type) == null)
{
if ((economy >= 20) && (economy > businessPerc))
{
FlightInformation.AddCustomPlane(new Airplane(economy, Convert.ToInt32(business), type));
}
else
{
MessageBox.Show("Economy seats must be at least 20" + "\n" + "Business seats must be 40% less than economy seats");
}
}
else
{
MessageBox.Show("This airplane type already exists!");
}
}
