public static InteractResult PfCustomer_OnRemove(string id) { InteractResult result = ServerProxy.DeletePfCustomer(id); switch (result.ExeResult) { case ExeResult.Success: PfCustomer c = pfCustomerList?.Find(t => t.ID == id); if (c != null) { pfCustomerList?.Remove(c); } break; case ExeResult.Error: break; default: break; } return(result); }