internal static IEnumerable <DropTargetInfo> GetDropTargetAtPoint(
UIElement draggedElement,
UIElement container,
MouseEventArgs e)
{
return(DragDropHelper.GetDropTargetAtPoint(draggedElement, container, e.GetPosition));
}
protected virtual IDropTarget GetDropTargetOnDrag(MouseEventArgs e, out Nullable <Point> dropTargetPosition, out IDropTarget lastFoundDropTarget)
{
IDropTarget dropTarget = DragDropHelper.GetDropTargetAtPoint(this.DraggedElement, this.DragContainer, e, out dropTargetPosition, out lastFoundDropTarget);
// ColumnManagerRow was defined as IDropTarget only because Animated Column Reordering required it, ignore it in base class
if (dropTarget is ColumnManagerRow)
{
dropTarget = null;
dropTargetPosition = null;
}
return(dropTarget);
}
protected virtual DropTargetInfo GetDropTarget(Func <IInputElement, Point> getPosition)
{
foreach (var info in DragDropHelper.GetDropTargetAtPoint(this.DraggedElement, this.Container, getPosition))
{
if (!info.CanDrop)
{
continue;
}
// ColumnManagerRow was defined as IDropTarget only because Animated Column Reordering required it, ignore it in base class
if (info.Target is ColumnManagerRow)
{
break;
}
return(info);
}
return(new DropTargetInfo(null, null, false));
}