问题详情

假定编写了如下事件过程：
Private Sub Form. MouseMove(Button As Integer,
Shift As Integer, X As Single, Y As Single)
If (Button And 3) = 3
Print "AAAA"
End If
End Sub
程序运行后，为了在窗体上输出AAAA，应执行的操作是______。请帮忙给出正确答案和分析，谢谢！