using?System;
using?System.Collections.Generic;
using?System.Configuration;
using?System.Data;
using?System.Linq;
using?System.Threading.Tasks;
using?System.Windows;

namespace?ch01
{
????///?

????///?App.xaml?的交互邏輯
????///?

????public?partial?class?App?:?Application
????{
????}
}