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下列程序是在文本框Text1中输入任意一个字符,按回车后...
下列程序是在文本框Text1中输入任意一个字符,按回车后,判断是数字字符、字母字符或其它字符,然后选中相应的单选按钮。程序运行效果如下图所示。Private Sub Text1_KeyPress(KeyAscii As Integer) Dim ch As String If KeyAscii = ______(1)______ Then ch = Text1.Text Select Case ______(2)______ Case "0" To "9" Option1.Value = True Case "a" To "z", ______(3)______ Option2.Value = True Case Else Option3.Value = True End Select 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): _________