在窗体上画一个名称为Text1的文本框,要求文本框只能接收大写字母的输入。以下能够正确实现该操作的事件过程是______。
A.Private Sub Text1_ KeyPress (KeyAscii As Integer) IfKeyAscii < 65 Or KeyAscii > 9t Then MsgBox “请输入大写字母” End If End sub
B.Private Sub Text1_ KeyDown (KeyCode As Integer, Shift As Integer) IfKeyCode < 65 Or KeyCode > 91 Then MsgBox “请输入大写字母” End If End sub
C.Private Sub Text1_ MouseDown (Button As Integer, _ Shift As Integer, X As Single, YAs SinglE)IfAsc (Text1.Text) < 65 Or Asc (Text1. Text) > 91 Then MsgBox “请输入大写字母” End If End sub
D.Private Sub Text1_ Change() IfAsc(Text 1.Text) < 65 Or Asc(Text1. Text) > 91 Then MsgBox “请输入大写字母” End If End sub
相关热点: 大写字母
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