protected virtual Bitmap DrawCore(Chart chart, ChartData data)
{
GdiPlusPainter painter = new GdiPlusPainter(600, 400);
chart.Draw(painter, data);
return(painter.Bitmap);
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
try
{
DataProvider provider = SelectProvider(path);
data = provider.Load(path);
painter = new GdiPlusPainter(Width, Height);
Chart chart = SelectChartType(chartType);
chart.Draw(painter, data);
Graphics graphics = e.Graphics;
graphics.DrawImage(painter.Bitmap, new PointF(0, 0));
}
catch (ArgumentNullException exception)
{
exception.Source = "Path is null.\nData is null.\nDrawImage method's Image parameter is null.";
throw exception;
}
}
