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。以下能实现该操作的事件过程是 ______。
A.Private Sub Text1_KeyPress(KeyAscii As IntegeIfKeyAscii<65 Or KeyAscii>90 Then MsgBox“请输入大写字母” KeyAscii=0End If End Sub B.Private Sub Text1_KeyDown(KeyCode As Integer,Shift As IntegeIf KeyCode<65 Or KeyCode>90 Then MsgBox“请输入大写字母” KeyCode=0End If End Sub C.Private Sub Text1 MouseDown(Button As Integer,Shift As Integer,X As Single,Y As Singl, If Asc(Text1.Tex<65 Or Asc(Text1.Tex>90 Then MsgBox“请输入大写字母” End If End Sub D.Private Sub Text1_Change()If Asc(Text1.Tex>64 And Asc(Text1.Tex<91 Then MsgBox“请输入大写字母”End If End Sub