几个windows编程实例涉及多线程，动态链接库，消息循环重载，进程查看，文件关联，剪贴板查看，键盘发声，运行后自销毁，文件查看，屏幕拷贝等-Several windows programming examples involving multi-threaded, dynamic link library, the news cycle heavy-duty, the process of viewing, file association, clipboard view, keyboard