private void buttonAdd_Click(object sender, EventArgs e)
{
//Declare local variables
string name, type;
decimal hours;
int size;
//Assign value to variables
name = textBoxName.Text;
type = Convert.ToString(comboBoxType.SelectedItem);
hours = Convert.ToInt32(numericUpDownHours.Value);
size = Convert.ToInt32(comboBoxSize.SelectedItem);
// Verify values have been entered
if (textBoxName.Text == null || comboBoxType.SelectedItem == null || comboBoxSize.SelectedItem == null)
{
MessageBox.Show("Customer Name, Hours Used, Charter Type, and Charter Size are required.", "Missing Information", MessageBoxButtons.OK, MessageBoxIcon.Error);
textBoxName.Focus();
return;
}
//Instatiate a new CharterManager object
if (aCharterManager is null)
{
aCharterManager = new CharterManager();
}
//Call addCharter method to add new charter object
aCharterManager.AddCharter(name, type, size, hours);
//Disable/enable controls
mnuAllCharters.Enabled = true;
mnuChartersSummary.Enabled = true;
mnuNumOfCharters.Enabled = true;
buttonAdd.Enabled = false;
}
private void Program16_ChartersSummary_Load(object sender, EventArgs e)
{
//Display information in summary label
lblSummary.Text = $"Lowest Charter Fee: {CharterManager.FindLowestCharterFee().ToString("c2")} \r\nTotal Charter Fees: {CharterManager.GetTotalCharterFees().ToString("c2")} \r\nAverage Charter Fee: {CharterManager.GetAverageCharterFee().ToString("c2")}";
}