单击按钮时,以下程序运行后的输出结果是( )。 PrivateSubprocl(x As Integer, y As Integer, z As IntegeI) x=3*z y=2*z z=x+y End Sub Private Sub Commandl_Click( ) Dim X As Integer, Y As Integer, z As Integer x=1:y=2:z=3 Call procl(x,x,z) Prin tx; x; z Call procl(x, y, y) Print x; y; y End Sub