这个例子中，我们假设应用程序窗体是一个一直显示当前时间的数字时钟，当你使其执行“大任务”直到任务的完成，这期间你会发现数字时钟窗体从来就没有被“挂起”过，仍然能够响应你的拖动操作和不停地显示时间。-This example, we assume that the application form has been a digital clock displays the current time, when you make the implementation of the " big

vc 写的按照系统时间走的的数字时钟程序,不错的源码,可以-Vc written according to the system s time to go digital clock procedures, good source code, you can

建立数字时钟 DIGCLOCK程序,使用类似LED的7个显示方块显示了目前的时间,,(Establish a digital clock DIGCLOCK procedures, the use of similar LED 7 shows square shows the current time,,)