线程编程，有5个小球在一个界面，分别有小球的等待和执行-Threaded programming, there are 5 balls in a interface, respectively, waiting for the ball and the implementation of

在对话框窗口中，利用三个线程分别实现红、绿、蓝三个小球做往复运动-In the dialog window, using three separate threads to achieve red, green, and blue three small balls to do reciprocating motion

多线程程序。用三个可控制运动与停止的小球模拟实现。-MultiThread。Three balls try to do so.