在窗体上画一个名称为Command1的命令按和三个名称分别为Label1、Label2、Labet3的标签,然后编写如下代码: Private x AS Integer Private Sub Command1_Click( ) Static y As Integer Dim 2 As Integer n=10 Z=n+2 y=y+2 X=X+2 Label1.Caption=x LabelCaption=y LabelCaption=z End Sub 运行程序,连续三次单击命令按后,则三个标签中显示的内容分别是