![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
有一上机计费系统,设计界面如图所示: 表单的Init事件代码: Public m ,yjf &&定义全局变量m,yjf M =0 Yjf =0 ThisForm.Timerl.Enabled =.F. ThisForm.Timer1.Interval =60000 “计时”按钮的 Click事件代码: ThisForm.Timerl.Enabled =.T. Timerl 的Timer事件代码: M =M+1 ThisForm.Text2.Value =M If m <15 Yjf =1 Else Yjf =int(M/30+0.5) Endif ThisForm.Text3.Value =Yjf 当单击“计时”后2小时零46分钟时,text3中显示:________。