/// <summary>
/// Retrieves order data from the web service for the customer currently selected.
/// If, however, orders were retrieved previously, then these will be displayed.
/// The effect is that the client application speeds up over time.
/// </summary>
private void treeViewCustomer_AfterSelect(object sender, TreeViewEventArgs e)
{
// Get selected customer. Note: root node does not have a customer record
var customer = treeViewCustomer.SelectedNode.Tag as CustomerModel;
if (customer == null)
{
return;
}
// Check if orders were already retrieved for customer
if (customer.Orders.Count > 0)
{
BindOrders(customer.Orders);
}
else
{
this.Cursor = Cursors.WaitCursor;
_ordersPresenter.Display(customer.CustomerId);
this.Cursor = Cursors.Default;
}
}
