public RadElement GetElementAtPoint(
RadElement parent,
Point point,
List<RadElement> foundElements,
Predicate<RadElement> predicate)
{
if (parent.Visibility != ElementVisibility.Visible)
return (RadElement) null;
ChildrenListOptions options = ChildrenListOptions.ZOrdered | ChildrenListOptions.ReverseOrder | ChildrenListOptions.IncludeOnlyVisible;
Rectangle clientRectangle = this.Control.ClientRectangle;
foreach (RadElement child in parent.GetChildren(options))
{
if (child.ElementState == ElementState.Loaded && child.HitTest(point))
{
if (foundElements != null && !(child is BorderPrimitive))
foundElements.Add(child);
RadElement elementAtPoint = this.GetElementAtPoint(child, point, foundElements, predicate);
if (elementAtPoint != null)
return elementAtPoint;
if (predicate == null || predicate(child))
return child;
}
}
return (RadElement) null;
}
internal RadElement GetElementAtPoint(RadElement parent, Point point, List <RadElement> foundElements)
{
if (parent.Visibility != ElementVisibility.Visible)
{
return(null);
}
ChildrenListOptions childrenFlags = ChildrenListOptions.ZOrdered |
ChildrenListOptions.ReverseOrder |
ChildrenListOptions.IncludeOnlyVisible;
Rectangle client = this.Control.ClientRectangle;
foreach (RadElement element in parent.GetChildren(childrenFlags))
{
if (element.ElementState != ElementState.Loaded)
{
continue;
}
if (element.HitTest(point))
{
bool addElement = (foundElements != null) && !(element is BorderPrimitive);
if (addElement)
{
foundElements.Add(element);
}
RadElement res = GetElementAtPoint(element, point, foundElements);
if (res != null)
{
return(res);
}
if (element.ShouldHandleMouseInput)
{
return(element);
}
}
}
return(null);
}
