ChartPrintDialogOnRender(DrawingContext) - метод

When overridden in a derived class, participates in rendering operations that are directed by the layout system. The rendering instructions for this element are not used directly when this method is invoked, and are instead preserved for later asynchronous use by layout and drawing.

protected virtual void OnRender(
	DrawingContext drawingContext
)

Protected Overridable Sub OnRender ( 
	drawingContext As DrawingContext
)

protected:
virtual void OnRender(
	DrawingContext^ drawingContext
)

abstract OnRender : 
        drawingContext : DrawingContext -> unit 
override OnRender : 
        drawingContext : DrawingContext -> unit