我用VFP制作了一个“正计时”系统,烦请高手帮忙修改成“倒计时”程序
烦请帮忙修改一下了,怎样实现不了
if flag1=1
THISFORM.nMin = 9
IF THISFORM.nSec >0
THISFORM.nSec = THISFORM.nSec-1
ELSE
THISFORM.nSec =59
THISFORM.nMin = THISFORM.nMin - 1
ENDIF
THISFORM.UpdateDisplay
endif






