public Topic[] GetTopicsInRect(Rectangle rect)
{
rect.X -= ChartBox.Margin.Left;
rect.Y -= ChartBox.Margin.Top;
rect.X -= TranslatePoint.X;
rect.Y -= TranslatePoint.Y;
//
if (HorizontalScroll.Enabled)
{
rect.X += HorizontalScroll.Value;
}
if (VerticalScroll.Enabled)
{
rect.Y += VerticalScroll.Value;
}
rect = PaintHelper.DeZoom(rect, Zoom);
//
List <Topic> topics = new List <Topic>();
if (Map != null && Map.Root != null)
{
GetTopicsInRect(Map.Root, rect, topics);
}
return(topics.ToArray());
}
