public static IEnumerable <CoreUIDomNode> GetAllParents(this CoreUIDomNode node)
{
while (node.Parent != null)
{
yield return(node.Parent);
}
}
public static CoreUIDomNode Previous(this CoreUIDomNode node)
{
var siblings = node.Parent?.Children?.ToList() ?? new List <CoreUIDomNode>();
var index = siblings.IndexOf(node);
return(index - 1 >= 0 ? siblings[index - 1] : null);
}
public static Point GetGlobalPosition(this CoreUIDomNode node) => node.GetAllParents().Aggregate(new Point(), (accumulate, item) => accumulate);