在窗体上放置一个命令按钮Command1,并编写下列单击事件的程序: Option Base 1Private Sub Commandl_Click0Dim C As Integer, d As Integer d=0 c=6 X = Array(2, 4, 6, 8, 10, 12) For i= 1 To 6 If X(i) > c Then d = d + X(i) c = X(i) Else d=d-c End If Next i Print dEnd Sub程序运行后,单击命令按钮,则在窗体上输出的内容为( )。