private async void dgOrders_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (dgOrders.SelectedIndex >= 0)
{
var order = (Order)dgOrders.SelectedItem;
double distance = 0;
try
{
distance = GetDistanceBetweenCities(order.From, order.To);
CalculateShowPriceGui(distance);
}
catch (Exception)
{
DistanceErrorWindow.Show();
DistanceErrorWindow.Closed += (o, args) =>
{
if (DistanceErrorWindow.DialogResult != null && DistanceErrorWindow.DialogResult.Value)
{
distance = double.Parse(tbdistance.Text);
CalculateShowPriceGui(distance);
}
};
}
}
}
private void btnDistanceOk_Click(object sender, RoutedEventArgs e)
{
if (!string.IsNullOrWhiteSpace(tbdistance.Text))
{
DistanceErrorWindow.DialogResult = true;
DistanceErrorWindow.Close();
}
}
