对窗体编写如下事件过程： Private Sub Form. _ MouseDown(BuRon As Integer，Shift As Integer, X As Single， Y As Single) If Button=2 Then Print "AAAAA" End If End Sub Private Sub Form_MouseUp(Button As Integer，Shift As Integer，X As Single， Y As Single) Print "BBBBB" End Sub 程序运行后，如果单击鼠标右键，则输出结果为 ______。

A．AAAAA BBBBB

B．BBBBB

C．AAAAA

D．BBBBB AAAAA

[单选题]编写如下事件过程： Private Sub Form. MouseDown(Button As Integer，Shift As Integer，X As Single， Y As Single) If Shift=6 And Button=2 Then Print "BBBB" End If End Sub 程序运行后，为了在窗体上输出“BBBB”，应执行的操作为 ______。A．同时按下Shift键和鼠标左键B．同时按下Shift键和鼠标右键C．同时按下Ctrl、Alt键和鼠标左键D．

[单选题]编写如下事件过程： Private Sub Form. KeyDown(KeyCode As Integer，Shift As Integer) If(Button And 3)=3 Then Print "AAAA" End If End Sub 程序运行后，为了在窗体上输出"AAAA"，应按下的鼠标键为 ______。A．左B．右C．同时按下左、右D．按什么键都不显示

[单选题]编写如下事件过程： Private Sub Form. KeyDown (KeyCode As Integer, Shift As Integer) Print Chr (KeyCode) End Sub Private Sub Form_KeyPress( KeyAscii As Integer) Print Chr(KeyAscii) End Sub 在一般情况下(即不按住Shift键和锁定大写键时)运行程序，若按“T”键，则程序输出的结果是A．T TB．t TC．T tD．t t

[单选题]编写如下事件过程： Private Sub Form. Click() Dim Char As String，i As Integer Const ch$="#" msg$= "Enter a String：" char=InputBox$(msg$) n=Len(Char) For i=1 To n If Mid$(char，i，1)=ch$ Then Exit For End If Next i Print i - 1 End Sub 其中InputBox函数的功能是弹出一个输入对话

[单选题]编写如下事件过程： Private Sub Form. Mouse Down(Button As Integer，Shift As Integer，X As Single， Y As Single) If Shift=6 And Button=2 Then Print"BBBB" End If End Sub 程序运行后，为了在窗体上输出"BBBB"，应执行的操作为_______。A．同时按下Shift键和鼠标左键B．同时按下Shift键和鼠标右键C．同时按下Ctrl、Alt键和鼠标左键

[单选题]对窗体编写如下事件过程： Private Sub Form_ MouseDown(Button As Integer，Shift As Integer，X As Single，Y As Single) If Button =2 Then Print “AAAAA” End If End Sub Private Sub Form_ MouseUp (Button As Integer，Shift As Integer，X As Single，Y As Single) Print “BBBBB” E

[单选题]对窗体编写如下事件过程：Private Sub Form_MouseDown（Button As Integer，Shift As Integer，X As Single Y As Single）If Button=2ThenPrint"AAAAA"EndIfEndSubPrivate Sub Form_MouseUp（Button As Integer，Shift As Integer，X As Single，Y As Single）Print"BBBBB&quo

[单选题]对窗体编写如下事件过程： Private Sub Form_MouseDown(Button As Integer，Shift As Integer,X As Single， Y As Single) If Button=2 Then Print "AAAAA" End If End Sub Private Sub Form_MouseUp(Button As Integer，Shift As Integer，X As Single， Y As Single) Print "BBBBB"

[单选题]对窗体编写如下事件过程： Private Sub Form_ Mouse Down(Button As Integer，Shift As Integer，X AS Single，Y As Single) If Button=2 Then Print "AAAAA" End if End Sub Private Sub Form. _ MouseUp(Button As Integer，Shift As Integer，X As Single，Y As Single) Print "BBBB

[单选题]（ 32 ）设有如下窗体单击事件过程：Private Sub Form. Click （）a ＝ 1F．or i ＝ 1 To 3Select Case iC．ase 1 ， 3a ＝ a ＋ 1C．ase 2, 4a ＝ a ＋ 2E．nd SelectNext iMsgBox aE．nd Sub打开窗体运行后，单击窗体，则消息框的输出的结果是A． ） 3B． ） 4C． ） 5D． ） 6