填空题 【程序说明】右击窗体则打开Windows自带的计算器“C:/windows/calc.exe”；单击“退出”按钮时将右击窗体的次数写入磁盘文件。 1 Private Sub Form_MouseUp(Button As Integer, Shift As Integer, _ X As Single, Y As Single) If Button = 2 Then n = n + 1: Shell 2 End Sub Private Sub Command1_Click 3 Open "C:/a1.dat" For 4 Print #1,n: Close #1 5 End Sub