该程序创建了一个线程，并在线程中实现精度条推进。首先调用AfxBeginThread函数创建一个新进程，然后调用PostThreadMessage函数乡新建的线程发送WM_BEGINPROG消息，并将禁毒条的指针作为参数传递给新的线程，最后再OnBeginProg函数通过参数wParam生成的一个进度条指针实现进度条的逐步推进。-the program to create a thread, the thread and achieve accuracy of the advance. First Call AfxBeginThread functions to create a new process. then call PostThreadMessage function Rural new threads send WM_BEGINP ROG news, and the target of the drug pass as a parameter to the new threads, Finally OnBeginProg wParam function parameters generated by the progress of a target to achieve progress the gradual progress.