'Declaration
Public Overridable Sub DrawLowerVerticalTrack( _
ByVal As Graphics, _
ByVal As Rectangle, _
ByVal As FpScrollBarButton _
)
'使用法
Dim instance As EnhancedScrollBarRenderer
Dim g As Graphics
Dim bounds As Rectangle
Dim element As FpScrollBarButton
instance.DrawLowerVerticalTrack(g, bounds, element)