试题 试卷
题型：单选题 题类：常考题 难易度：容易
内蒙古巴彦淖尔市临河三中计算机班2018-2019学年高二上学期信息技术期中考试试卷VB
1图
Private Sub Command1_Click()
Timer1.Enabled = ①
End Sub
Private Sub Timer1_Timer()
sec = Val(Text2.Text)
min = Val(Text1.Text)
If sec> 0 Then
sec = sec - 1
Else
sec = 59
If min > 0 Then
min = min - 1
Text1 = 0
Text2 = 0
MsgBox "倒计时时间到"
End If
Text1 = min
Text2 = sec
试题篮
