填空题

窗体上有一个命令按钮，执行程序后，在按钮上单击鼠标左键的输出结果为，在按钮上单击鼠标右键的输出结果为。
Private Sub Command1_Click()
Print"B"：
End Sub
Private Sub Command1_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
Print"A"：
End Sub

【参考答案】

AB；A

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