Public j As Integer
Dim A() As String
Dim tem As String
Private Sub CMD1_Click() '注意这里如果没有exit sub？责会出现captio不会变的，其实已经变过了
If CMD1.Caption = "开始" Then
CMD1.Caption = "停止"
Timer1.Enabled = True
Exit Sub
End If
If CMD1.Caption = "停止" Then
CMD1.Caption = "开始"
Timer1.Enabled = False
If tem "" Then
Text1.Text = tem
End If
End If
End Sub
Private Sub CMD2_Click()
Frame1.Visible = True
Text2.Visible = True
CMD3.Visible = True
CMD4.Visible = True
End Sub
Private Sub CMD3_Click()
Text2.Visible = False
CMD3.Visible = False
CMD4.Visible = False
tem = Text2.Text
End Sub
Private Sub CMD4_Click()
Text2.Text = ""
Text2.Visible = False
CMD3.Visible = False
CMD4.Visible = False
End Sub
Private Sub form_load()
Frame1.Visible = False
Text2.Visible = False
CMD3.Visible = False
CMD4.Visible = False
Timer1.Enabled = False
Timer1.Interval = 300
Open "C:\Documents and Settings\Administrator\桌面\新建 文本文档.txt" For Input As 1
Do Until EOF(1)
ReDim Preserve A(0 To I)
Input #1, A(I)
I = I + 1
Loop
Close #1
End Sub
Private Sub Timer1_Timer()
Text1.Text = A(j)
j = j + 1
If j = UBound(A) Then
j = 0
End If
End Sub
已经运行通过。不过事先你得在桌面建立一个文本文件,用来存储数据?呵呵
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