private void miUpdate_Click(object sender, RoutedEventArgs e)
{
if (lstViewCar.SelectedItems.Count != 1)
{
MessageBox.Show("Please choose one item to update", "Information");
return;
}
try
{
int index = lstViewCar.SelectedIndex;
AddEditDialog addEditDialog = new AddEditDialog((Car)lstViewCar.SelectedItem);
addEditDialog.Owner = this;
addEditDialog.AddNewCarCallback += (m, en, f) => { model = m; engine = en; fuel = f; };
bool?result = addEditDialog.ShowDialog(); // this line must be stay after the assignment, otherwise value is not assigned
if (result == true)
{
carList.ElementAt(index).MakeModel = model;
carList.ElementAt(index).EngineSize = engine;
carList.ElementAt(index).FuelType = fuel;
}
}
catch (DataInvalidException ex)
{
MessageBox.Show(ex.Message, "Error Information");
}
}
private void CommandBinding_AddNewCar(object sender, ExecutedRoutedEventArgs e)
{
try
{
AddEditDialog addEditDialog = new AddEditDialog(null);
addEditDialog.Owner = this;
addEditDialog.AddNewCarCallback += (m, en, f) => { model = m; engine = en; fuel = f; };
bool?result = addEditDialog.ShowDialog(); // this line must be stay after the assignment, otherwise value is not assigned
if (result == true)
{
carList.Add(new Car(model, engine, fuel));
}
}
catch (DataInvalidException ex)
{
MessageBox.Show(ex.Message, "Error Information");
}
lstViewCar.SelectedIndex = lstViewCar.Items.Count - 1;//for status bar selection change
}