这是一个简单单文档的小程序，我们在建立工程时候可以设置打开文档最大化，也可以在应用程序中初始化中添加m_pMainWnd->ShowWindow(SW_SHOWMAXIMIZED) -This is a simple, single-file small procedures, we often works in the establishment of open files can be configured to maximize can also initialize the app