protected override void OnValidateReferences(Validation.ValidationContext validate)
{
base.OnValidateReferences(validate);
// check out of range indices
foreach (var idx in this._nodes)
{
validate.IsNullOrIndex(nameof(VisualChildren), idx, this.LogicalParent.LogicalNodes);
}
// checks if a root node is being used as a child.
foreach (var node in this.LogicalParent.LogicalNodes)
{
if (this._nodes.Any(ridx => node._HasVisualChild(ridx)))
{
validate.GetContext(node)._LinkThrow("Children", "Root nodes cannot be children.");
}
}
// check duplicated indices
// if (this._nodes.Distinct().Count() != this._nodes.Count) result.AddError(this, "has duplicated node references");
}
