一種刪除選定的LineShape陰影效果的方法？

Question

有沒有辦法在選擇lineShape時去除LineShape陰影效果？

alt text http://lh4.ggpht.com/_1TPOP7DzY1E/S6kq2KQ-zdI/AAAAAAAADIg/tUy74j-EpQc/s800/capture4.png

我試圖

Protected Overrides Sub OnPaint(ByVal e As System.Windows.Forms.PaintEventArgs) 
    Dim g As Graphics = e.Graphics 
    g.SmoothingMode = SmoothingMode.AntiAlias 
    Dim oldmode As SmoothingMode = g.SmoothingMode 
    g.DrawLine(_Pen, X1, Y1, X2, Y2) 
    g.SmoothingMode = oldmode 
    End Sub 

但最後，這對失效一些回來效果：（在面板中）線留下痕跡移動時 - 不正確無效。

Answer 1

將SelectionColor更改爲透明。