窗体上有一个名称为Hscroll1的滚动条,程序运行后,当单击滚动条两端的箭头时,立即在窗体上显示滚动框的位置(即刻度值)。下面能够实现上述操作的事件过程是( )
                                                            
                                                                A.Private Sub Hscroll1_Change()
 Print Hscroll1.Value
End Sub 
B.Private Sub Hsetroll1_Change()
 Print Hscroll1.SmallChange
End Sub
C.Private Sub Hscroll1_Scroll()
 Print Hscroll1.Value
End Sub 
D.Private Sub Hscroll1_Scroll()
 Print Hscroll1.SmallChange
End Sub