private void Refresh(bool drawTriangle)
{
#if NETFRAMEWORK
bool isPaintable = chart.IsAppPaintable;
#else
bool isPaintable = chart.AppPaintable;
#endif
if (isPaintable && chart.Visible)
{
#if NETFRAMEWORK
Context context = Gdk.CairoHelper.Create(chart.GdkWindow);
#else
Gdk.DrawingContext drawingContext = chart.GetGdkWindow().BeginDrawFrame(chart.GetGdkWindow().VisibleRegion);
Context context = drawingContext.CairoContext;
#endif
if (drawTriangle)
{
DrawTriangle(context);
}
DrawMarker(context);
}
}