如果修改了文件名,则文件签名会相应地改变。对吗 ()
A.对
B.不对
A.对
B.不对
程序运行时,选择一个文本文件,读取该文件中的内容,对数字字符进行加密,加密方法如下:0->3,1->4……7->0,8->1,9->2。结果在文本框显示。 Private Sub Button1_Click() Handles Button1.Click Dim i, n, t As Integer Dim s1, str, c As String If OpenFileDialog1.ShowDialog = Windows.Forms.DialogResult.OK Then FileOpen(1, OpenFileDialog1.FileName, _____(1)_____) Do While _____(2)_____ s1 = _____(3)_____ str &= s1 & vbCrLf Loop FileClose() n = Len(str) For i = 1 To n c = Mid(str, i, 1) If _____(4)_____ Then t = Val(c) t = t + 3 If t > 9 Then t = t - 10 End If Mid(str, i, 1) = t End If Next TextBox1.Text = str End If End Sub 补全程序,在答题时,务必在答题框中写好题号和答案,如下: (1): _________ (2): _________ (3): _________ (4): _________
A、Check1.Style = 0
B、Check1.Alignment = 0
C、Check1.Style = 1
D、Check1.Alignment = 1
B.11111010
C.01000101
D.10000101
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