'Declaration
Public Overridable Sub Render( _
ByVal As Graphics, _
ByVal As ChartModel, _
ByVal As Rectangle, _
ByVal As Boolean _
)
'使用法
Dim instance As FpChart
Dim g As Graphics
Dim model As ChartModel
Dim r As Rectangle
Dim drawSelection As Boolean
instance.Render(g, model, r, drawSelection)