brew的应用程序，主要通过使用timer机制和callback机制，来实现在屏幕上抓捕小方块的鼠标游戏。-brew applications, primarily through the use of timer mechanism and callback mechanisms to achieve a small box on the screen capture mouse game.

使用资源文件读取字符串，在屏幕上绘制图形，并且图形自动移动。使用的回调函数和计时器。-Using a resource file to read string on the screen to draw graphics, and graphics automatically move. Use the callback function and timer.