/// <summary>
/// Get the element at the specified point. Usually this methods simply return the current element, but an element can return inner elements drawed inside the main elements.
/// Returns a list of elements, where the last element is the upper (foremost) element and the first element is the background element.
/// </summary>
/// <param name="measure"></param>
/// <param name="area"></param>
/// <param name="point"></param>
/// <returns></returns>
public override VisualElementList GetElementsAtPoint(MeasureHelper measure, System.Drawing.RectangleF area, PointF point)
{
VisualElementList list = base.GetElementsAtPoint(measure, area, point);
area = GetContentRectangle(measure, area);
//Use the same code of the OnDrawContent method
//In this case the elements are drawed one over the another
if (ElementsDrawMode == ElementsDrawMode.Covering)
{
foreach (IVisualElement element in GetElements())
{
list.AddRange(element.GetElementsAtPoint(measure, area, point));
}
}
//In this case the elements are drawed considering an alignment
else if (ElementsDrawMode == ElementsDrawMode.Align)
{
foreach (IVisualElement element in GetElements())
{
list.AddRange(element.GetElementsAtPoint(measure, area, point));
RectangleF elementArea = element.GetDrawingArea(measure, area);
area = CalculateRemainingArea(area, element.AnchorArea, elementArea);
}
}
else
{
throw new ApplicationException("DrawMode not supported");
}
return(list);
}
/// <summary>
/// Get the element at the specified point. Usually this methods simply return the current element, but an element can return inner elements drawed inside the main elements.
/// Returns a list of elements, where the last element is the upper element and the first element is the background element.
/// </summary>
/// <param name="measure"></param>
/// <param name="area"></param>
/// <param name="point"></param>
/// <returns></returns>
public virtual VisualElementList GetElementsAtPoint(MeasureHelper measure, System.Drawing.RectangleF area, PointF point)
{
VisualElementList list = new VisualElementList();
if (GetDrawingArea(measure, area).Contains(point))
{
list.Add(this);
}
return(list);
}
public object Clone()
{
VisualElementList elements = new VisualElementList();
foreach (IVisualElement element in this)
{
elements.Add((IVisualElement)element.Clone());
}
return(elements);
}
