对话框用户加冕程序的编写，如何向对话框空间关联数据成员及其实现激励，如何利用兑换卡累的成员函数想空间发送消息和获取对话框的类指针-Procedures for the preparation of the coronation of the dialog box the user, how to dialog data members and their spatial association, to achieve motivation, how to use the Exchange Car