主题：[求助]面板垂直滚动条位置问题

如何设置面板的垂直滚动条到指定位置？

下面代码报错。

Dim pnl As WinForm.Panel = e.Form.Controls("Panel1")
Dim p As Point = pnl.ScrollPosition

Select e.Sender.SelectedIndex
    Case 0
        p.ScrollPosition.y = 0
    Case 1
        p.ScrollPosition.y = 157
    Case 2
        p.ScrollPosition.y = 314
    Case 3
        p.ScrollPosition.y = 518
End Select

Dim pnl As WinForm.Panel = e.Form.Controls("Panel1")
Dim p As Point = pnl.ScrollPosition

Select e.Sender.SelectedIndex
    Case 0
        p.y = 0
    Case 1
        p.y = 157
    Case 2
        p.y = 314
    Case 3
        p.y = 518
End Select

'pnl.ScrollPosition = p